build: retrieve go version from go mod

Author: Aerex

.github/workflows/ci.yaml

@@ -11,7 +11,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.26.4'
+          go-version-file: 'go.mod'
       - name: Display Go version
         run: go version
       - name: Build Dependencies