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     so don't be afraid to make a PR. -->

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     Currently, we are having issues with selenium-based tests.
     Don't panic if the CI fails on your PR because of timeouts.
     It's probably not your fault. We will investigate :) -->

### Description
The PR is to avoid `importScripts` error when loading pyodide in a module type worker. Currently `loadScripts`  uses `importScripts` to import dependency  which throws an error when the worker is of type `module`.

### Checklists

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     just remove those checkboxes, or mark them as checked. Otherwise,
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- [x] Add a [CHANGELOG](https://github.com/pyodide/pyodide/blob/main/docs/project/changelog.md) entry
- [x] Add / update tests
- [ ] Add new / update outdated documentation

Use ESM import in module type webworker. <!-- Thank you for contributing to Pyodide! All improvements are welcome,
     so don't be afraid to make a PR. -->

<!-- [IMPORTANT] Note on CI failures:
     Currently, we are having issues with selenium-based tests.
     Don't panic if the CI fails on your PR because of timeouts.
     It's probably not your fault. We will investigate :) -->

### Description
The PR is to avoid `importScripts` error when loading pyodide in a module type worker. Currently `loadScripts`  uses `importScripts` to import dependency  which throws an error when the worker is of type `module`.

### Checklists

<!-- Note on checklists:
     If you think some of these steps are not necessary for your PR,
     just remove those checkboxes, or mark them as checked. Otherwise,
     if some checkboxes are left unmarked, we might assume that your PR
     is not ready to be merged and we might keep you waiting -->

- [x] Add a [CHANGELOG](https://github.com/pyodide/pyodide/blob/main/docs/project/changelog.md) entry
- [x] Add / update tests
- [ ] Add new / update outdated documentation

def test_uncaught_cpp_exceptions(selenium):
    assert (
        selenium.run_js(
            """
            await pyodide.loadPackage("cpp-exceptions-test");
            const Tests = pyodide._api.tests;
            const idx = pyodide._module.LDSO.loadedLibNames["/lib/python3.9/site-packages/cpp-exceptions-test-throw.so"]
            const throwlib = pyodide._module.LDSO.loadedLibs[idx].module;
            function t(x){
                try {
                    throwlib.throw_exc(x);
                } catch(e){
                    let errString = Tests.convertCppException(e).toString();
                    errString = errString.replace(/[0-9]+/, "xxx");
                    return errString;
                }
            }
            return [t(1), t(2), t(3), t(4), t(5)];
            """
        )
        == [
            "CppException int: The exception is an object of type int at address xxx "
            "which does not inherit from std::exception",
            "CppException char: The exception is an object of type char at address xxx "
            "which does not inherit from std::exception",
            "CppException std::runtime_error: abc",
            "CppException myexception: My exception happened",
            "CppException char const*: The exception is an object of type char const* at "
            "address xxx which does not inherit from std::exception",
        ]
    )


def test_cpp_exception_catching(selenium):
    assert (
        selenium.run_js(
            """
        await pyodide.loadPackage("cpp-exceptions-test");
        const Module = pyodide._module;
        const idx = Module.LDSO.loadedLibNames["/lib/python3.9/site-packages/cpp-exceptions-test-catch.so"]
        const catchlib = Module.LDSO.loadedLibs[idx].module;
        function t(x){
            const ptr = catchlib.catch_exc(x);
            const res = Module.UTF8ToString(ptr);
            Module._free(ptr);
            return res;
        }

        return [t(1), t(2), t(3), t(5)];
        """
        )
        == [
            "caught int 1000",
            "caught char 99",
            "caught runtime_error abc",
            "caught ????",
        ]
    )

def test_uncaught_cpp_exceptions(selenium):
    assert (
        selenium.run_js(
            """
            await pyodide.loadPackage("cpp-exceptions-test");
            const Tests = pyodide._api.tests;
            const idx = pyodide._module.LDSO.loadedLibNames["/lib/python3.9/site-packages/cpp-exceptions-test-throw.so"]
            const throwlib = pyodide._module.LDSO.loadedLibs[idx].module;
            function t(x){
                try {
                    throwlib.throw_exc(x);
                } catch(e){
                    let errString = Tests.convertCppException(e).toString();
                    errString = errString.replace(/[0-9]+/, "xxx");
                    return errString;
                }
            }
            return [t(1), t(2), t(3), t(4), t(5)];
            """
        )
        == [
            "CppException int: The exception is an object of type int at address xxx "
            "which does not inherit from std::exception",
            "CppException char: The exception is an object of type char at address xxx "
            "which does not inherit from std::exception",
            "CppException std::runtime_error: abc",
            "CppException myexception: My exception happened",
            "CppException char const*: The exception is an object of type char const* at "
            "address xxx which does not inherit from std::exception",
        ]
    )


def test_cpp_exception_catching(selenium):
    assert (
        selenium.run_js(
            """
        await pyodide.loadPackage("cpp-exceptions-test");
        const Module = pyodide._module;
        const idx = Module.LDSO.loadedLibNames["/lib/python3.9/site-packages/cpp-exceptions-test-catch.so"]
        const catchlib = Module.LDSO.loadedLibs[idx].module;
        function t(x){
            const ptr = catchlib.catch_exc(x);
            const res = Module.UTF8ToString(ptr);
            Module._free(ptr);
            return res;
        }

        return [t(1), t(2), t(3), t(5)];
        """
        )
        == [
            "caught int 1000",
            "caught char 99",
            "caught runtime_error abc",
            "caught ????",
        ]
    )
