Add GitHub actions (#38)

* Add test GitHub action
* Add Dependabot configuration

.github/dependabot.yml

@@ -0,0 +1,23 @@
+# Copyright 2023 Google LLC All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+version: 2
+updates:
+- package-ecosystem: maven
+  directory: /
+  schedule:
+    interval: daily
+  ignore:
+    - dependency-name: org.mockito:*
+    - dependency-name: com.diffplug.spotless:*

.github/workflows/test.yaml

@@ -0,0 +1,39 @@
+# Copyright 2023 Google LLC All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: test
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  test:
+    runs-on: ubuntu-22.04
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Set up JDK 17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+        cache: maven
+    - name: Build
+      run: mvn --batch-mode clean compile
+    - name: Test
+      run: mvn --batch-mode test -Dmaven.test.skip=false
+    - name: Update dependency graph
+      uses: advanced-security/maven-dependency-submission-action@v4