Make setup-go project dependent

Author: Lorenz Kästle

.github/workflows/go.yml

@@ -17,8 +17,7 @@ jobs:
       - name: Check out code into the Go module directory
         uses: actions/checkout@v6
         with:
-          go-version: '1.25'
-          check-latest: true
+          go-version-file: 'go.mod'
 
       - name: Vet
         run: go vet ./...