Release 0.0.96 RC

[KitsuneRal]

Pre-check:

• [x] There are no pending issues in the Roadmap for this release (if there are, move them away or close them)
• [x] Check the correct branch/commit:
  • [x] in the Quaternion repo
  • [x] Quotient repo submodule ref
  • [x]
• [x] Make sure the required version of libQuotient in CMakeLists.txt is up-to-date
• [x] Pull translations
  • [x] If needed, update the list of languages in CMakeLists.txt
• Check that the documentation is up to date:
  • [x] README.md
  • [x] SECURITY.md
  • [x] BUILDING.md
• [x] Rebuild and smoke-test the application
• [x] If quaternion_en.ts is changed, review, commit and push the changes before proceeding

Actions:

• [x] Go to the Releases page and make a new draft:
  • [x] Set the tag (N.M.L, must not exist yet)
  • [x] Describe all notable fixes/enhancements
• [x] Update the version number in main.cpp and CMakeLists.txt
• [x] Add a release record to linux/com.github.quaternion.appdata.xml
  • [x] Copy a summary of changes from the draft at GH to the release <description>
• [x] git commit
• [x] git tag N.M.L && git push --tags
• [x] Update Flathub repo
  • [x] Download and smoke-test the binary (check the version!); if something is off, delete the tag locally and on remotes, fix-commit-push, check that GitHub Actions are green, set again and push the same tag; a new Flathub build should start automatically
  • [x] Merge the PR
• [x] Publish release notes
  • [x] Update the Releases Wiki page
• [x] Update the topic in #quaternion
• [x] Post a TWIM update

Post-release:

• [x] Open the release page in Incognito/Privacy mode; check:
  • [x] the version
  • [x] the Git tag
  • [x] Check the pre-release checkbox if this version is a beta or release candidate
• [x] Add '+git' to the version number in 'main.cpp'
• [x] git commit && git push