CI -> Introduce legal check.

.github/workflows/build.yaml

@@ -12,6 +12,11 @@ on:
 # OPENDUT_GH_RUNNER_LARGE: runner labels for large jobs
 
 jobs:
+  legal:
+    uses: ./.github/workflows/legal.yaml
+#    with:
+#      runs-on: "${{ vars.OPENDUT_GH_RUNNER_SMALL }}"
+
   test:
     uses: ./.github/workflows/test.yaml
 #    with:

.github/workflows/legal.yaml

@@ -0,0 +1,32 @@
+name: legal
+on:
+  workflow_call:  # allow this workflow to be called from other workflows
+    inputs:
+      runs-on:
+        default: "['ubuntu-latest']"
+        required: false
+        type: string
+
+jobs:
+  legal:
+    name: Legal Checks
+    runs-on: ${{ fromJson(inputs.runs-on) }}
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
+      - name: Rust setup
+        uses: ./.github/actions/rust-setup
+        with:
+          cargo-deny: true
+
+      - name: Run license check
+        run: cargo ci licenses check
+      - name: Generate License JSON Report
+        run: cargo ci licenses json
+      - name: Upload licenses artifact
+        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce
+        with:
+          name: "licenses-${{ github.sha }}"
+          path: "./target/ci/licenses"
+          if-no-files-found: error
+          retention-days: 1