Stop installing packages that are already there

.github/workflows/deploying.yml

@@ -18,11 +18,12 @@ jobs:
       with:
         ruby-version: '2.7'
         bundler-cache: true
+    - name: Setup Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: '1.23.x'
     - name: Installing packages
       run: |
-        brew update
-        brew install carthage
-        brew install go || brew link --overwrite go
         gem install bundler
     - uses: actions/cache@v3
       id: carthage-cache