use go-version-file

Author: k15r

.github/workflows/test.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Cache Go dependencies
         uses: actions/setup-go@v5
         with:
-          go-version: '1.21'
+          go-version-file: ./go.mod
 
       - name: Execute unit test
         run: make test