Update maven.yml

Author: slachiewicz

.github/workflows/maven.yml

@@ -29,7 +29,7 @@ jobs:
     name: Build it
     uses: codehaus-plexus/.github/.github/workflows/maven.yml@v0.0.1
     with:
-      jdk-matrix: '["8", "11", "16", "17"]'
+      jdk-matrix: '["8", "11", "17", "18-ea"]'
       jdk-distribution-matrix: '["adopt-hotspot", "zulu", "temurin"]'
       os-matrix: '["ubuntu-latest","windows-latest", "macOS-latest"]'
       maven_args: 'verify javadoc:javadoc -e -B -V -fae -Pno-tests-if-not-on-osx'