Add automation to create openAPI issue

.github/workflows/milestone-workflow.yml

@@ -112,7 +112,7 @@ jobs:
 
   create-update-version-issue:
     needs: get-release-version
-    # Create the changelog issue if the release is not only a patch release
+    # Create the update-version issue even if the release is a patch release
     if: github.event.action == 'created'
     runs-on: ubuntu-latest
     env:
@@ -129,6 +129,25 @@ jobs:
             --body-file $ISSUE_TEMPLATE \
             --milestone $MILESTONE_VERSION
 
+  create-update-openapi-issue:
+    needs: get-release-version
+    # Create the openAPI issue if the release is not only a patch release
+    if: github.event.action == 'created' && needs.get-release-version.outputs.is-patch == 'false'
+    runs-on: ubuntu-latest
+    env:
+      ISSUE_TEMPLATE: issue-template.md
+    steps:
+      - uses: actions/checkout@v3
+      - name: Download the issue template
+        run: curl -s https://raw.githubusercontent.com/meilisearch/engine-team/main/issue-templates/update-openapi-issue.md > $ISSUE_TEMPLATE
+      - name: Create the issue
+        run: |
+          gh issue create \
+            --title "Update Open API file for $MILESTONE_VERSION" \
+            --label 'maintenance' \
+            --body-file $ISSUE_TEMPLATE \
+            --milestone $MILESTONE_VERSION
+
 # ----------------
 # MILESTONE CLOSED
 # ----------------