REL: release 2.11.0

[orbeckst]

Release 2.11.0 with important bug fixes and new features.

Release check list

• finalize CHANGELOG
• release tag
• GitHub release
• testpypi and confirmed working
• pypi
• conda-forge
• announcement blog post
• social media (discord, discussions, linkedin, bsky)

Open PRs

It would be good to have the following PRs merged for a release

• PR Updates to wheel deployment workflow #5386 (?)
• PR ENH: support GMX linear angle potential #5372
• PR Implementing gemmi-based mmcif reader (with easy extension to PDB/PDBx and mmJSON) #4712

[orbeckst]

Additionally, can we address #5136 (via PR #5139 ?).