chore: pin CI tests to chrome 121 (#4010)

.github/workflows/unit.yml

@@ -32,21 +32,21 @@ jobs:
           node-version: "18.18.0"
           cache: 'yarn'
 
-      # Needed for perf smoke tests, matches the chromedriver version installed by tachometer(https://github.com/google/tachometer/blob/main/README.md#on-demand-dependencies)
-      # version number can be found here https://www.googleapis.com/storage/v1/b/chromium-browser-snapshots/o?delimiter=/&prefix=Linux_x64/119
-      - name: Setup chrome v119
+      # Needed for perf smoke tests, matches the chromedriver version installed by tachometer (https://github.com/google/tachometer/blob/main/README.md#on-demand-dependencies)
+      # chrome-version documentation can be found here: https://github.com/browser-actions/setup-chrome?tab=readme-ov-file#usage
+      - name: Setup chrome v121
         uses: browser-actions/setup-chrome@v1
         with:
-          chrome-version: 1194751
+          chrome-version: 121
         id: setup-chrome
 
       - name: Install dependencies
         run: yarn install --frozen-lockfile
 
       # Pin chromedriver to the same version as Chrome above, so Tachometer uses this version.
       # See: https://github.com/google/tachometer#on-demand-dependencies
-      - name: Install chromedriver v119
-        run: yarn add -W chromedriver@^119
+      - name: Install chromedriver v121
+        run: yarn add -W chromedriver@^121
 
       - name: Check package.json integrity
         run: node ./scripts/tasks/check-and-rewrite-package-json.js --test