chore: pin all workflows to ubuntu-26.04 instead of ubuntu-latest

[HosurSharanamma]

Closes #55

Signed-off-by: Sharanamma Hosur h.sharanamma@gmail.com>

Summary

Checklist

• I have tested my changes locally
• I have added or updated documentation
• I have linked related issues or discussions
• I have added or updated tests

Related

Notes for Reviewers

[alexmohr]

all files are reformated? please only change the ubuntu version. Every file you touched has whitespace changes.

[alexmohr]

Thank you. There are still a few 24.04 left :)

➜ grep 24.04 * -R      
workflows/coverage.yml:    runs-on: ubuntu-24.04
workflows/build-and-test.yml:    runs-on: ubuntu-24.04
workflows/build-and-test.yml:    runs-on: ubuntu-24.04
workflows/checks.yml:    runs-on: ubuntu-24.04
workflows/tauri-release.yml:      build-ubuntu-24-04:
workflows/tauri-release.yml:        description: "Include the Linux (ubuntu-24.04) build (default: true)"
workflows/tauri-release.yml:  build-ubuntu-24-04:
workflows/tauri-release.yml:    if: inputs.build-ubuntu-24-04 != false
workflows/tauri-release.yml:            if (!deb) { core.setFailed('ubuntu-24.04 .deb asset not found'); return; }
workflows/tauri-release.yml:      - build-ubuntu-24-04
workflows/tauri-release.yml:              // Linux .deb for ubuntu-24.04
workflows/post-pr-comments.yml:    runs-on: ubuntu-24.04
workflows/miri.yml:    runs-on: ubuntu-24.04


➜ git log -1     
commit 36d8f95f71425960998297f71e11a0eae8ade508 (HEAD -> chore/pin-ubuntu-26-04, hosur/chore/pin-ubuntu-26-04)