ci: replace e2e-only fan-in with unified CI summary job

- Fix docs-only PRs failing the "e2e tests" check because
  skipped jobs were treated as failures
- Consolidate all CI jobs into a single fan-in that accepts
  both "success" and "skipped" as passing states

Signed-off-by: Vincent Demeester <vdemeest@redhat.com>

Author: vdemeester

.github/workflows/ci.yaml

@@ -175,16 +175,36 @@ jobs:
     needs: [build]
     uses: ./.github/workflows/e2e-matrix.yml
 
-  e2e-summary:
-    name: e2e tests
-    needs: [e2e-tests]
+  ci-summary:
+    name: CI summary
+    needs: [build, buildFips, linting, tests, generated, multi-arch-build, e2e-tests]
     runs-on: ubuntu-latest
     if: always()
     steps:
-    - name: Check e2e results
+    - name: Check CI results
       run: |
-        if [ "${{ needs.e2e-tests.result }}" != "success" ]; then
-          echo "e2e-tests failed or were cancelled"
+        results=(
+          "build=${{ needs.build.result }}"
+          "buildFips=${{ needs.buildFips.result }}"
+          "linting=${{ needs.linting.result }}"
+          "tests=${{ needs.tests.result }}"
+          "generated=${{ needs.generated.result }}"
+          "multi-arch-build=${{ needs.multi-arch-build.result }}"
+          "e2e-tests=${{ needs.e2e-tests.result }}"
+        )
+        failed=0
+        for r in "${results[@]}"; do
+          name="${r%%=*}"
+          result="${r#*=}"
+          echo "${name}: ${result}"
+          if [ "$result" != "success" ] && [ "$result" != "skipped" ]; then
+            failed=1
+          fi
+        done
+        if [ "$failed" -eq 1 ]; then
+          echo ""
+          echo "Some CI jobs failed or were cancelled"
           exit 1
         fi
-        echo "All e2e tests passed"
+        echo ""
+        echo "All CI checks passed"