Build/Test Tools: Run install tests when JSON reading workflow is cha…

…nged.

Because the installation testing workflow relies on the reusable workflow that reads the JSON support files, it should be run when that file is changed to confirm there are no issues.

This is currently only configured for `pull_request` events, but should also be true for `push`.

See #62221.

git-svn-id: https://develop.svn.wordpress.org/trunk@59485 602fd350-edb4-49c9-b593-d223f7449a82

.github/workflows/install-testing.yml

@@ -11,6 +11,7 @@ on:
     paths:
       - '.github/workflows/install-testing.yml'
       - '.version-support-*.json'
+      - '.github/workflows/reusable-support-json-reader-v1.yml'
   pull_request:
     # Always test the workflow when changes are suggested.
     paths: