Replace dependabot with renovate

.github/renovate.json

@@ -0,0 +1,4 @@
+{
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "packageRules": []
+}

.github/workflows/Renovate.yml

@@ -0,0 +1,27 @@
+name: Log4JNA Dependency Update
+
+on:
+  schedule:
+    # The "*" (#42, asterisk) character has special semantics in YAML, so this
+    # string has to be quoted.
+    - cron: '0 0 * * *'
+
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    name: renovate
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v3
+
+      # GitHub Action to run self-hosted Renovate
+      - name: Renovate Bot GitHub Action
+        uses: renovatebot/github-action@v36.0.0
+        with:
+          configurationFile: .github/renovate.json
+          token: ${{ secrets.RENOVATE_TOKEN }}
+        env:
+          RENOVATE_REPOSITORIES: dblock/log4jna