ci(integration): add a step to archive core eval scripts (#9929)

ad-hoc PR

## Description


We'd like to archive core proposals as they're built in test-docker-build job

### Security Considerations


No secrets should be archived by this step

### Scaling Considerations


### Documentation Considerations


### Testing Considerations


Will run integration tests in this PR to test this change

### Upgrade Considerations

.github/workflows/integration.yml

@@ -274,6 +274,30 @@ jobs:
       - name: run proposals tests
         run: yarn test
         working-directory: a3p-integration
+      - name: collect all core eval scripts
+        # Core eval scripts will be copied under /tmp/core_eval_scripts directory
+        # colons in the parent directory name will be replaced with dashes
+        run: |
+          find . -type d -path "./a3p-integration/proposals/*/submission" | while read -r dir; do
+            # Get the parent directory name
+            parent_dir=$(basename "$(dirname "$dir")")
+            # Replace colons with dashes in the parent directory name
+            sanitized_parent_dir=${parent_dir//:/-}
+            # Create the destination directory under /tmp/core_eval_scripts if it doesn't exist
+            destination_dir="/tmp/core_eval_scripts/$sanitized_parent_dir"
+            mkdir -p "$destination_dir"
+            # Copy everything from the $dir to the destination directory
+            cp -r "$dir"/* "$destination_dir/"
+            echo "Copied contents of $dir to $destination_dir"
+          done
+      - name: archive core eval scripts
+        # The core eval scripts can be found at the bottom of `Summary` page of
+        # `Integration tests` workflow once the workflow is completed.
+        # Ref: https://github.com/actions/upload-artifact?tab=readme-ov-file#where-does-the-upload-go
+        uses: actions/upload-artifact@v4
+        with:
+          name: core-eval-scripts
+          path: /tmp/core_eval_scripts
       - name: notify on failure
         if: failure() && github.event_name != 'pull_request'
         uses: ./.github/actions/notify-status