Update CHANGELOG to remove vulnerable Python version

Removed Python version 3.12.10 from changelog due to a vulnerability.

Merge pull request #1135 from cloudfoundry/edit-changelog

Add changelog changes

Merge pull request #1127 from cloudfoundry/switchblade0.9.4

Adopt switchblade v9.0.4

bump to 1.8.40

Bumps to 1.8.38

Bumps to 1.8.37

Bumps to 1.8.36

Bumps to 1.8.35

Bumps to 1.8.34

Bump version to 1.8.33