Check dependencies in merge queue (#64286)

Fall out of https://github.com/zed-industries/zed/pull/63248 's changes
getting missing the merge queue lockfile check.

Release Notes:

- N/A

.github/workflows/run_tests.yml

@@ -683,7 +683,7 @@ jobs:
   check_dependencies:
     needs:
     - orchestrate
-    if: needs.orchestrate.outputs.run_tests == 'true' && github.event_name != 'merge_group'
+    if: needs.orchestrate.outputs.run_tests == 'true'
     runs-on: namespace-profile-2x4-ubuntu-2404
     env:
       CC: clang