chore: Pin system-tests for release branch

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: dd-octo-sts[bot]

.github/workflows/run-system-tests.yaml

@@ -21,11 +21,9 @@ jobs:
   build:
     runs-on:
       group: APM Larger Runners
-    environment:
-      name: ci-build
     steps:
       - name: Checkout repository
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # 6.0.1
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # 5.0.0
         with:
           submodules: 'recursive'
           fetch-depth: 0
@@ -63,7 +61,7 @@ jobs:
     needs:
     - build
     # If you change the following comment, update the pattern in the update_system_test_reference.sh script to match.
-    uses: DataDog/system-tests/.github/workflows/system-tests.yml@main # system tests are pinned for releases only
+    uses: DataDog/system-tests/.github/workflows/system-tests.yml@b305ca96886cf52bf94dbee1547e362def19a363 # system tests are pinned for releases only
     secrets: inherit
     permissions:
       contents: read
@@ -72,7 +70,7 @@ jobs:
     with:
       library: java
        # If you change the following comment, update the pattern in the update_system_test_reference.sh script to match.
-      ref: main # system tests are pinned for releases only
+      ref: b305ca96886cf52bf94dbee1547e362def19a363 # system tests are pinned for releases only
       binaries_artifact: binaries
       desired_execution_time: 900  # 15 minutes
       scenarios_groups: tracer-release
@@ -86,15 +84,4 @@ jobs:
     if: ${{ always() }}
     needs: [build, main]
     steps:
-      - name: Fail if build failed
-        if: ${{ needs.build.result != 'success' }}
-        run: |
-          echo "❌ Build job did not succeed: ${{ needs.build.result }}"
-          exit 1
-      - name: Fail if main failed or is skipped
-        if: ${{ needs.main.result != 'success' }}
-        run: |
-          echo "❌ Main job did not succeed: ${{ needs.main.result }}"
-          exit 1    
-      - name: Success
-        run: echo "✅ All required jobs succeeded."
+    - run: exit 0