fix(ci): pin Go version to 1.25 in lint workflow

Author: ezynda3

.github/workflows/golangci-lint.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: stable
+          go-version: '1.25'
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v8
         with: