chore: update references to setup-gcloud@master -> setup-gcloud@main (#312)

Author: sethvargo

.github/workflows/integration.yml

@@ -116,7 +116,7 @@ jobs:
     - name: 'npm build'
       run: 'npm ci && npm run build'
 
-    - uses: 'google-github-actions/setup-gcloud@master'
+    - uses: 'google-github-actions/setup-gcloud@main'
       with:
         service_account_email: '${{ secrets.DEPLOY_CF_SA_EMAIL }}'
         service_account_key: '${{ secrets.DEPLOY_CF_SA_KEY_JSON }}'

.gitignore

@@ -1,7 +1,7 @@
 node_modules/
 runner/
 
-# Rest of the file pulled from https://github.com/github/gitignore/blob/master/Node.gitignore
+# Rest of the file pulled from https://github.com/github/gitignore/blob/main/Node.gitignore
 # Logs
 logs
 *.log