fix: Install libpcap-dev system dependency for CGO build

Author: h0tak88r

.github/workflows/ci.yml

@@ -16,6 +16,11 @@ jobs:
           submodules: false
           fetch-depth: 0
 
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libpcap-dev
+
       - name: Set up Go
         uses: actions/setup-go@v5
         with:

.github/workflows/release.yml

@@ -24,6 +24,11 @@ jobs:
           submodules: false
           fetch-depth: 0
 
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libpcap-dev
+
       - name: Set up Go
         uses: actions/setup-go@v5
         with: