ci: move performance tracking job into its own workflow

.github/workflows/ci.yml

@@ -71,19 +71,3 @@ jobs:
       - uses: ./github-actions/bazel/setup
       - run: yarn install --immutable
       - run: yarn bazel test --sandbox_writable_path="$HOME/Library/Application Support" --test_tag_filters=macos --build_tests_only -- //...
-
-  workflow-perf:
-    timeout-minutes: 30
-    runs-on: ubuntu-latest
-    steps:
-      # Because the checkout and setup node action is contained in the dev-infra repo, we must
-      # checkout the repo to be able to run the action we have created.  Other repos will skip
-      # this step.
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: ./github-actions/npm/checkout-and-setup-node
-      - uses: ./github-actions/bazel/setup
-      - run: yarn install --immutable
-      - run: yarn ng-dev perf workflows --json
-      # Always run this step to ensure that the job always is successful
-      - if: ${{ always() }}
-        run: exit 0

.github/workflows/perf.yml

@@ -0,0 +1,26 @@
+name: Performance Tracking
+
+on:
+  push:
+    branches:
+      - main
+
+permissions: {}
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  workflow-perf:
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    steps:
+      # Because the checkout and setup node action is contained in the dev-infra repo, we must
+      # checkout the repo to be able to run the action we have created.  Other repos will skip
+      # this step.
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: ./github-actions/npm/checkout-and-setup-node
+      - uses: ./github-actions/bazel/setup
+      - run: yarn install --immutable
+      - run: yarn ng-dev perf workflows --json