ci/gha: add ubuntu-24.04 (current LTS)

Ubuntu 24.04 runners are now available (see [1])

[1]: https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners#standard-github-hosted-runners-for-public-repositories

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

.github/workflows/test.yml

@@ -5,7 +5,7 @@ jobs:
     strategy:
       matrix:
         go-version: [1.17.x, 1.20.x, 1.21.x]
-        platform: [ubuntu-20.04, ubuntu-22.04, windows-latest, macos-12]
+        platform: [ubuntu-20.04, ubuntu-22.04, ubuntu-24.04, windows-latest, macos-12]
     runs-on: ${{ matrix.platform }}
     steps:
     - name: Install Go