add java 21 build support

Author: igdianov

.github/workflows/build.yml

@@ -13,19 +13,18 @@ on:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ '17' ]
+        java: [ '17', '21' ]
     steps:
     - uses: actions/checkout@v3
 
-    - name: Set up JDK 11
+    - name: Set up JDK ${{ matrix.java }}
       uses: actions/setup-java@v3
       with:
         java-version: ${{ matrix.java }}
-        distribution: 'adopt'
+        distribution: 'temurin'
         cache: maven
 
     - name: Build with Maven