Add Maven wrapper

Author: neilcsmith-net

.github/workflows/maven.yml

@@ -22,7 +22,7 @@ jobs:
         run: sudo apt-get update && sudo apt-get install gstreamer1.0-plugins-good gstreamer1.0-plugins-bad
 
       - name: Build with Maven
-        run: mvn -B verify --file pom.xml
+        run: ./mvnw --batch-mode verify
 
   test-1-20-jdk8:
 
@@ -42,4 +42,4 @@ jobs:
         run: sudo apt-get update && sudo apt-get install gstreamer1.0-plugins-good gstreamer1.0-plugins-bad
 
       - name: Build with Maven
-        run: mvn -B verify --file pom.xml
+        run: ./mvnw --batch-mode verify

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,4 @@
+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.11/apache-maven-3.9.11-bin.zip
+distributionSha256Sum=0d7125e8c91097b36edb990ea5934e6c68b4440eef4ea96510a0f6815e7eeadb