build with JDK 21

Author: overheadhunter

.github/workflows/build.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 17
+          java-version: 21
           cache: 'maven'
       - name: Ensure to use tagged version
         if: startsWith(github.ref, 'refs/tags/')

.github/workflows/codeql-analysis.yml

@@ -22,7 +22,7 @@ jobs:
     - uses: actions/setup-java@v4
       with:
         distribution: 'temurin'
-        java-version: 17
+        java-version: 21
         cache: 'maven'
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3

.github/workflows/publish-central.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 17
+          java-version: 21
           cache: 'maven'
           server-id: central
           server-username: MAVEN_CENTRAL_USERNAME

.github/workflows/publish-github.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 17
+          java-version: 21
           cache: 'maven'
       - name: Enforce project version ${{ github.event.release.tag_name }}
         run: mvn versions:set -B -DnewVersion=${{ github.event.release.tag_name }}