fix: JDK for GHA increased to 11

Author: augi

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
       - name: Set up JDK 1.8
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
       - name: Check with Gradle

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
       - name: Set up JDK 1.8
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 11
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
       - name: Check with Gradle