chore(ci): add FOSSA workflow

.github/workflows/fossa.yml

@@ -0,0 +1,35 @@
+name: FOSSA
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+jobs:
+  fossa:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: "17"
+          distribution: "temurin"
+
+      - name: Install dependencies
+        run: ./gradlew build
+
+      - name: Run FOSSA scan and upload build data
+        uses: fossas/fossa-action@main
+        with:
+          api-key: ${{ secrets.FOSSA_API_KEY }}
+          branch: ${{ github.ref_name }}
+
+      - name: Run FOSSA tests
+        uses: fossas/fossa-action@main
+        with:
+          api-key: ${{ secrets.FOSSA_API_KEY }}
+          run-tests: true