CI: update the CI to current versions

Ubuntu 24.10 is not yet available so let's use the prior one.

.github/workflows/main.yml

@@ -6,19 +6,19 @@ env:
 
 jobs:
   meson_test:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Install dependencies
         run: |
           sudo apt-get update -yq
           sudo apt-get install -yq --no-install-suggests --no-install-recommends $UBUNTU_PACKAGES
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: meson
         run: meson builddir
       - name: ninja
         run: ninja -C builddir test
       - name: capture build logs
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: ${{ always() }}  # even if we fail
         with:
           name: meson logs