chore(GHA): Add pr-ci-all-required to pull.yaml; use ubuntu-22.04 instead of ubuntu-latest in CI (#1579)

Author: RitvikKapila

.github/workflows/ci_test_vector_java.yml

@@ -31,7 +31,7 @@ jobs:
         java-version: [8, 11, 16, 17]
         os: [
             # Run on ubuntu image that comes pre-configured with docker
-            ubuntu-latest,
+            ubuntu-22.04,
           ]
     runs-on: ${{ matrix.os }}
     permissions:

.github/workflows/pull.yml

@@ -64,3 +64,25 @@ jobs:
     uses: ./.github/workflows/ci_examples_net.yml
     with:
       dafny: ${{needs.getVersion.outputs.version}}
+  pr-ci-all-required:
+    if: always()
+    needs:
+      - getVersion
+      - getVerifyVersion
+      - pr-ci-format
+      - pr-ci-codegen
+      - pr-ci-verification
+      - pr-ci-test-vector-verification
+      - pr-ci-java
+      - pr-ci-java-test-vectors
+      - pr-ci-java-examples
+      - pr-ci-net
+      - pr-ci-rust
+      - pr-ci-net-test-vectors
+      - pr-ci-net-examples
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Verify all required jobs passed
+        uses: re-actors/alls-green@release/v1
+        with:
+          jobs: ${{ toJSON(needs) }}