ci: install golangci-lint from source for Go 1.26 compatibility

Author: unknwon

.github/workflows/go.yml

@@ -42,10 +42,9 @@ jobs:
             exit 1
           fi
       - name: Run golangci-lint
-        uses: golangci/golangci-lint-action@v6
-        with:
-          version: latest
-          args: --timeout=30m
+        run: |
+          go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
+          golangci-lint run --timeout=30m
 
   test:
     name: Test