Bump actions/setup-java from 5.7.0 to 6.0.0.

.github/workflows/maven.yml

diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 0028257..cfb9ed8 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -51,7 +51,7 @@
         restore-keys: |
           ${{ runner.os }}-maven-
     - name: Set up JDK ${{ matrix.java }}
-      uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # 5.7.0
+      uses: actions/setup-java@dd06d9cba3e5552c54d9f8ea23572deb30010f7c # 6.0.0
       with:
         distribution: 'temurin'
         java-version: ${{ matrix.java }}