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gh-152785: Upgrade Ubuntu from 24.04 to 26.04 in GitHub Actions (#152717)
gh-110793: Add CI job that runs tests with an installed build (#152664)
Bump the `actions/{github-script,checkout}` and `j178/prek-action` actions (#152760)
gh-145351: use `--no-install-recommends` (#145352)
Default GHA permissions to `contents: read` (#148346)
gh-153511: Removes Tools/msi, Tools/nuget, and legacy py.exe launcher sources (GH-153512)
Seed pip caches for docs on `main`/`3.x` branches (#153127)
gh-153313: Run Emscripten PyRepl test in CI (#153701)
Some tidying for GitHub Actions (#154950)