fix: run go generate first

Author: santhoshmprabhu

.github/workflows/golangci.yaml

@@ -26,6 +26,8 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0
+    - name: Generate BPF code
+      run: go generate ./bpf-prog/block-iptables/...
     - name: golangci-lint
       uses: golangci/golangci-lint-action@v6
       with: