[TASK] Configure GitHub actions

Adds initial GitHub actions workflow to test the package builds.

Resolves: #26

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: Solr TYPO3 Plugin Tests
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-22.04
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up JDK 11 for x64
+      uses: actions/setup-java@v4
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        architecture: x64
+
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml
+
+    - name: Update dependency graph
+      uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6