Remove libcap dependency from unit-tests job

Author: richardpringle

.github/workflows/tests.yaml

@@ -271,17 +271,12 @@ jobs:
       - name: Git checkout
         uses: actions/checkout@v5
 
+      - name: Load versions
+        uses: ./.github/actions/load-versions
+
       - name: Setup build dependencies
         uses: ./.github/actions/setup-build-deps
 
-      - name: Install libpcap
-        run: sudo apt-get update && sudo apt-get install -y libpcap-dev
-
-      - name: Use shared OCaml setting up steps
-        uses: ./.github/actions/setup-ocaml
-        with:
-          ocaml_version: ${{ env.OCAML_VERSION }}
-
       - name: Setup Rust
         uses: ./.github/actions/setup-rust
         with:
@@ -291,6 +286,7 @@ jobs:
       - name: Install cargo-nextest
         uses: taiki-e/install-action@nextest
 
+      # TODO: add this to the makefile
       - name: Run unit tests
         run: |
           cargo nextest run --workspace --lib \