Switch Perf test events to labels from comments (#46835)

* Switch Perf test events to labels from comments

.github/workflows/perf-test-comment.yml → .github/workflows/perf-test-labeled.yml

 name: Perf test command
 
 on:
-  issue_comment:
-    types: [created]
+  pull_request:
+    types: [ labeled ]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -10,7 +10,7 @@ concurrency:
 
 jobs:
   run-perf-test:
-    if: ${{ github.event.issue.pull_request && startsWith(github.event.comment.body, '/perf') }}
+    if: ${{ github.event.label.name == 'Run-perf' }}
     uses: ./.github/workflows/perf-test.yml
     with:
       wait_for_uberjar: true

.github/workflows/perf-test.yml

@@ -75,7 +75,7 @@ jobs:
   launch_perf_test:
     needs: [ build ]
     runs-on: ubuntu-latest
-    name: PR Review ENV
+    name: Launch Perf Test
     permissions:
       id-token: write
       contents: read