use JDK17 because Gradle 9.x requires it

Author: asolntsev

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
         with:
           distribution: 'temurin'
           cache: 'gradle'
-          java-version: '11'
+          java-version: '17'
       - name: Run tests in Gradle
         run: ./gradlew clean test --info --rerun-tasks
       - uses: actions/upload-artifact@v6
@@ -35,7 +35,7 @@ jobs:
       contents: write
     steps:
       - name: 🤖 Merge PR from dependabot
-        uses: fastify/github-action-merge-dependabot@v3.11.2
+        uses: fastify/github-action-merge-dependabot@v3
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}
           target: minor

gradle/compilation.gradle

@@ -6,6 +6,6 @@ java {
   sourceCompatibility = 1.8
   targetCompatibility = 1.8
   toolchain {
-    languageVersion = JavaLanguageVersion.of(11)
+    languageVersion = JavaLanguageVersion.of(17)
   }
 }