Update version.yml — enforce labels on versioned OAS files

Changed-files check now includes openapi/v*.yml in addition to
mx_platform_api.yml. PRs that modify versioned OAS files now require
a minor or patch label before merge.

Author: Genevieve Nuebel

.github/workflows/version.yml

@@ -12,11 +12,13 @@ jobs:
       pull-requests: write
     steps:
       - uses: actions/checkout@v3
-      - name: Get openapi file
+
+      - name: Check for changed OAS files
         id: changed-files-specific
         uses: tj-actions/changed-files@v41
         with:
-          files: openapi/mx_platform_api.yml
+          files: |
+            openapi/v*.yml
 
       - name: Require version label if openapi spec changed
         if: steps.changed-files-specific.outputs.any_changed == 'true'