workflows: use java 11

Signed-off-by: Álvaro Brey <alvaro.brey@nextcloud.com>

.github/workflows/assembleFlavors.yml

@@ -13,11 +13,11 @@ jobs:
         flavor: [ Generic, Gplay ]
     steps:
       -   uses: actions/checkout@v3
-      -   name: set up JDK 8
+      -   name: set up JDK 11
           uses: actions/setup-java@v3
           with:
             distribution: "temurin"
-            java-version: 8.0
+            java-version: 11
       -   name: Build ${{ matrix.flavor }}
           run: |
             echo "org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError" >> gradle.properties

.github/workflows/check.yml

@@ -13,10 +13,10 @@ jobs:
                 task: [ detekt, ktlintCheck ]
         steps:
             -   uses: actions/checkout@v3
-            -   name: Set up JDK 8
+            -   name: Set up JDK 11
                 uses: actions/setup-java@v3
                 with:
                     distribution: "temurin"
-                    java-version: 8.0
+                    java-version: 11
             -   name: Check ${{ matrix.task }}
                 run: ./gradlew ${{ matrix.task }}

.github/workflows/qa.yml

@@ -13,12 +13,12 @@ jobs:
                 id: check-secrets
             -   uses: actions/checkout@v3
                 if: ${{ steps.check-secrets.outputs.ok == 'true' }}
-            -   name: set up JDK 8
+            -   name: set up JDK 11
                 if: ${{ steps.check-secrets.outputs.ok == 'true' }}
                 uses: actions/setup-java@v3
                 with:
                     distribution: "temurin"
-                    java-version: 8.0
+                    java-version: 11
             -   name: Build QA
                 if: ${{ steps.check-secrets.outputs.ok == 'true' }}
                 env: