Summary

• Updated werkzeug pinned issue
• Dropped types-certifi, Also see types-certifi and types-chardet are no longer needed httpx#3015
• Assigned twine version

Checklist

• I understand that this PR may be closed in case there was no previous discussion. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.