Fix StaticTable._metadata_location_from_version_hint metadata location format ERROR

[qccash]

Rationale for this change

To fix StaticTable._metadata_location_from_version_hint metadata location format ERROR:

        if content.endswith(".metadata.json"):
            return os.path.join(metadata_location, "metadata", content)
        elif content.isnumeric():
            return os.path.join(metadata_location, "metadata", "v%s.metadata.json").format(content)
        else:
            return os.path.join(metadata_location, "metadata", "%s.metadata.json").format(content)

Closes #2608

Are these changes tested?

Yes.

Added 2 more cases with numeric and non numeric metadata version hints.

Are there any user-facing changes?

No

[kevinjqliu]

LGTM thanks for the fix!

[Fokko]

Everyone loves f-strings 👍 Thanks @qccash