chore(types): fill out remaining partial types. <!-- Thank you for contributing to Pyodide! All improvements are welcome,
     so don't be afraid to make a PR. -->

### Description

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Filling out remaining partially typed functions. Had to guess on a few, maybe some Any's could be avoided.

# setup: from decimal import Decimal ; A = [Decimal('2.1') for i in range(1000)] ; B = [Decimal('3.2') for i in range(1000)]
# run: large_decimal_list(A, B)


def large_decimal_list(A, B):
    return [a * b for a, b in zip(A, B)]

# setup: from decimal import Decimal ; A = [Decimal('2.1') for i in range(1000)] ; B = [Decimal('3.2') for i in range(1000)]
# run: large_decimal_list(A, B)


def large_decimal_list(A, B):
    return [a * b for a, b in zip(A, B)]
