update dependencies

Author: jochen-testingbot

.github/workflows/test.yml

@@ -5,15 +5,21 @@ on: [push, pull_request]
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        # Build/test across the JDK range the library supports (Java 8 floor).
+        java-version: ['8', '11', '17', '21']
+    name: Test (JDK ${{ matrix.java-version }})
     steps:
       - name: Clone Repository
         uses: actions/checkout@v6
       - uses: actions/setup-java@v5
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: ${{ matrix.java-version }}
       - name: Test
         run: mvn install -Dgpg.skip=true -B -V
         env:
           TB_KEY: ${{ secrets.TB_KEY }}
-          TB_SECRET: ${{ secrets.TB_SECRET }}
+          TB_SECRET: ${{ secrets.TB_SECRET }}

pom.xml

@@ -151,8 +151,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.15.0</version>
                 <configuration>
-                    <source>1.7</source>
-                    <target>1.7</target>
+                    <source>1.8</source>
+                    <target>1.8</target>
                 </configuration>
             </plugin>
             <plugin>