ci: fix dpkg-buildpackage PATH for cargo

.github/workflows/ci.yml

@@ -81,7 +81,9 @@ jobs:
       - name: Install system dependencies
         run: sudo apt-get update && sudo apt-get install -y build-essential libsystemd-dev pkg-config libssl-dev dpkg-dev
       - name: Build .deb package
-        run: sudo dpkg-buildpackage -us -uc -b -d
+        run: |
+          . "$HOME/.cargo/env"
+          sudo env "PATH=$PATH" dpkg-buildpackage -us -uc -b -d
       - name: Generate release notes
         if: startsWith(github.ref, 'refs/tags/v')
         id: release_notes