chore: create dependabot workflow

Signed-off-by: Stephane Bouchet <[email protected]>

Author: sbouchet

.github/dependabot.yml

@@ -0,0 +1,14 @@
+# Set update schedule for GitHub Actions and Gradle dependencies
+
+version: 2
+updates:
+  # Updates for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+  # Updates for Gradle dependencies
+  - package-ecosystem: "gradle"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/dependency-submission.yml

@@ -0,0 +1,21 @@
+name: Dependency Submission
+
+on:
+  push:
+    branches: [ 'main' ]
+
+permissions:
+  contents: write
+
+jobs:
+  dependency-submission:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Generate and submit dependency graph
+        uses: gradle/actions/dependency-submission@v3