updates JDK version vor github actions to JDK 11

Author: lopitz

.github/workflows/merge.yml

@@ -22,10 +22,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 8
+    - name: Set up JDK 11
       uses: actions/setup-java@v3
       with:
-        java-version: '8'
+        java-version: '11'
         distribution: 'temurin'
     - name: Build with Gradle
       uses: gradle/gradle-build-action@0d13054264b0bb894ded474f08ebb30921341cee

.github/workflows/pullrequest.yml

@@ -22,10 +22,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - name: Set up JDK 8
+      - name: Set up JDK 11
         uses: actions/setup-java@v3
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'temurin'
       - name: Build with Gradle
         uses: gradle/gradle-build-action@0d13054264b0bb894ded474f08ebb30921341cee
@@ -38,4 +38,4 @@ jobs:
           flags: unittests # optional
           name: pr coverage # optional
           fail_ci_if_error: true # optional (default = false)
-          verbose: true # optional (default = false)
+          verbose: true # optional (default = false)

.github/workflows/release.yml

@@ -21,10 +21,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 8
+    - name: Set up JDK 11
       uses: actions/setup-java@v3
       with:
-        java-version: '8'
+        java-version: '11'
         distribution: 'temurin'
     - name: Build with Gradle
       uses: gradle/gradle-build-action@0d13054264b0bb894ded474f08ebb30921341cee