upgrade to ubuntu 24.04, make analysis results a bit more user friendly

.github/workflows/static-analysis.yml

@@ -11,7 +11,11 @@ on:
 jobs:
   codechecker:
     name: CodeChecker
-    runs-on: ubuntu-latest
+
+    # Use latest Ubuntu 24.04 for latest GCC.
+    # CodeChecker requires gcc >= 13.0.0.
+    # ubuntu-latest is ubuntu 22.04 (atm)
+    runs-on: ubuntu-24.04
 
     permissions:
       actions: read
@@ -37,10 +41,18 @@ jobs:
         config: ${{ github.workspace }}/.codechecker.json
 
     - uses: actions/upload-artifact@v4
+      id: upload
       with:
         name: "CodeChecker Bug Reports"
         path: ${{ steps.codechecker.outputs.result-html-dir }}
 
-    - name: Fail if a warning is found
+    - name: Fail on Warnings
       if: ${{ steps.codechecker.outputs.warnings == 'true' }}
-      run: exit 1
+      run: |
+        cat <<EOF >>$GITHUB_STEP_SUMMARY
+        **CodeChecker found warnings.**
+        Please see the 'CodeChecker Bug Reports' artifact for more details:
+          [${{ steps.upload.outputs.artifact_url }}]
+        EOF
+
+        exit 1