Fix browser tests: add CI flags and use setup-chrome output for CHROME_PATH

.github/workflows/main.yml

@@ -30,9 +30,6 @@ jobs:
   browser-tests:
     runs-on: ubuntu-latest
 
-    env:
-      CHROME_PATH: /usr/bin/google-chrome
-
     steps:
     - uses: actions/checkout@v4
     - name: Set up Ruby
@@ -42,5 +39,8 @@ jobs:
         bundler-cache: true
     - name: Set up Chrome
       uses: browser-actions/setup-chrome@v1
+      id: setup-chrome
     - name: Browser specs (Cuprite)
       run: bundle exec rspec --tag browser
+      env:
+        CHROME_PATH: ${{ steps.setup-chrome.outputs.chrome-path }}