Add Maven Wrapper and use it in CI workflow

.gitattributes

@@ -0,0 +1,2 @@
+/mvnw text eol=lf
+*.cmd text eol=crlf

.github/workflows/maven.yml

@@ -34,7 +34,11 @@ jobs:
         cache: maven
 
     - name: Build with Maven
-      run: mvn -B package --file pom.xml
+      run: ./mvnw -B package
+
+    # Optional: Uploads the full dependency graph to GitHub to improve the quality of Dependabot alerts this repository can receive
+    #- name: Update dependency graph
+    #  uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6
 
     - name: Publish Test Results
       uses: EnricoMi/publish-unit-test-result-action@v2
@@ -77,7 +81,3 @@ jobs:
         token: ${{ secrets.GIST_TOKEN }}
         gistURL: https://gist.github.com/mperor/8c7b2545d44372da8b8153cae323b205
         file: badge.svg
-
-    # Optional: Uploads the full dependency graph to GitHub to improve the quality of Dependabot alerts this repository can receive
-    #- name: Update dependency graph
-    #  uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,3 @@
+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.10.0/apache-maven-3.10.0-bin.zip