Epoch Command OverflowError
Sentry Issue: [SIR-LANCEBOT-7N](https://sentry.io/organizations/python-discord/issues/2916603914/?referrer=github_integration)

```
OverflowError: Python int too large to convert to C int
(1 additional frame(s) were not displayed)
...
  File "bot/exts/utilities/epoch.py", line 37, in convert
    return arrow.utcnow().dehumanize(argument)

Unhandled command error: Python int too large to convert to C int
```

The epoch converter raises an overflow error if the value is too big. We should add a try/except. 
diff --git a/bot/exts/utilities/epoch.py b/bot/exts/utilities/epoch.py
index b9feed18..03758af0 100644
--- a/bot/exts/utilities/epoch.py
+++ b/bot/exts/utilities/epoch.py
@@ -35,7 +35,7 @@ class DateString(commands.Converter):
         """
         try:
             return arrow.utcnow().dehumanize(argument)
-        except ValueError:
+        except (ValueError, OverflowError):
             try:
                 dt, ignored_tokens = parser.parse(argument, fuzzy_with_tokens=True)
             except parser.ParserError:
['bot/exts/utilities/epoch.py']