publish-openapi job needs project checkout with submodules;

Author: dalgazinhmcts

.github/workflows/publish-openapi.yaml

@@ -8,14 +8,18 @@ on:
       - "master"
 
 jobs:
-  publish-openapi:
+  checkout-submodules:
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: recursive
-      - uses: hmcts/workflow-publish-openapi-spec/.github/workflows/publish-openapi.yml@v1
-        secrets:
-          SWAGGER_PUBLISHER_API_TOKEN: ${{ secrets.SWAGGER_PUBLISHER_API_TOKEN }}
-        with:
-          test_to_run: 'uk.gov.hmcts.cp.openapi.OpenAPIPublisherTest'
-          java_version: 21
+
+  publish-openapi:
+    needs: checkout-submodules
+    uses: hmcts/workflow-publish-openapi-spec/.github/workflows/publish-openapi.yml@v1
+    secrets:
+      SWAGGER_PUBLISHER_API_TOKEN: ${{ secrets.SWAGGER_PUBLISHER_API_TOKEN }}
+    with:
+      test_to_run: 'uk.gov.hmcts.cp.openapi.OpenAPIPublisherTest'
+      java_version: 21