Another minor Github action update

Don’t hardcode the go minor version number

.github/workflows/default.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.21.1
+          go-version: ^1.21
 
       - name: Build
         run: go build -v ./...