Fix 2to3 broken symlink

[NouemanKHAL]

What does this PR do?

Fix a broken symlink 2to3 pointing to an old version of python file.

lrwxrwxrwx  1 vcap vcap         8 Sep  7 17:48 2to3 -> 2to3-3.8
-rwxr-xr-x  1 vcap vcap       119 Sep  7 17:48 2to3-3.11*

Verification Process

Added a test during the release process to scan for broken symlinks.

Additional Notes

https://datadoghq.atlassian.net/browse/PLINT-502

Release Notes

Review checklist (to be filled by reviewers)

• PR title must be written as a CHANGELOG entry (see why)
• Files changes must correspond to the primary purpose of the PR as described in the title (small unrelated changes should have their own PR)
• PR must have one changelog/ label attached. If applicable it should have the backward-incompatible label attached.
• PR should not have do-not-merge/ label attached.
• If Applicable, issue must have kind/ and severity/ labels attached at least.