Update test tap name

Author: adamiBs

.github/workflows/test.yml

@@ -37,7 +37,7 @@ jobs:
         run: |
           export HOMEBREW_GITHUB_API_TOKEN=$GITHUB_TOKEN
           brew update
-          brew tap ${{ vars.REDIS_TAP }} .
+          brew tap redis/redis .
 
       - name: Install Redis CE
         run: |