Bump java version from 8 to 11 (#518)

Author: dr0i

.github/workflows/build.yml

@@ -6,9 +6,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 1.8
+    - name: Set up JDK 11
       uses: actions/setup-java@v1
       with:
-        java-version: 1.8
+        java-version: 11
     - name: Build with gradle
       run: ./gradlew check

.github/workflows/publish.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Publish package
         run: ./gradlew publishAllPublicationsToGitHubPackagesRepository
         env:

build.gradle

@@ -30,7 +30,7 @@ subprojects {
       'commons_compress': '1.21',
       'guava': '29.0-jre',
       'jackson_databind': '2.15.1',
-      'jdk': '8',
+      'jdk': '11',
       'junit': '4.12',
       'mockito': '2.27.0',
       'slf4j': '1.7.36',