fix(ci): install libpcap-dev on CI runners

The build links against libpcap for packet capture, which requires
the development headers to be present on Ubuntu runners.

Author: AKOrojo

.github/workflows/release.yml

@@ -21,6 +21,9 @@ jobs:
         with:
           python-version: '3.13'
 
+      - name: Install system dependencies
+        run: sudo apt-get update && sudo apt-get install -y libpcap-dev
+
       - name: Build wheels and sdist
         run: uvx maturin build --release --sdist -o dist
 

.github/workflows/test.yml

@@ -31,6 +31,9 @@ jobs:
             target
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
+      - name: Install system dependencies
+        run: sudo apt-get update && sudo apt-get install -y libpcap-dev
+
       - name: Install dependencies
         run: |
           uv sync --frozen --no-install-project