Update the java version in the workflows

Author: xristlamp

.github/workflows/backend.yml

@@ -40,11 +40,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 11
+      - name: Set up JDK 17
         uses: actions/setup-java@v2
         with:
-          java-version:  11
-          distribution: 'adopt'      
+          java-version:  17
+          distribution: 'temurin'
       - name: Install Protoc
         run: sudo apt install -y protobuf-compiler
       - uses: actions/cache@v4

.github/workflows/codeql.yml

@@ -36,11 +36,11 @@ jobs:
         uses: actions/checkout@v2
         with:
           submodules: true
-      - name: Set up JDK 11
+      - name: Set up JDK 17
         uses: actions/setup-java@v2
         with:
-          java-version: 11
-          distribution: 'adopt'
+          java-version: 17
+          distribution: 'temurin'
       - name: Install Protoc
         run: sudo apt install -y protobuf-compiler
       - uses: actions/cache@v4

.github/workflows/documentation.yml

@@ -36,11 +36,11 @@ jobs:
       API_KEY: $HOME/gems
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 1.8
+      - name: Set up JDK 17
         uses: actions/setup-java@v2
         with:
-          java-version:  8
-          distribution: 'adopt'
+          java-version:  17
+          distribution: 'temurin'
       - name: Install ruby
         run: |
           sudo apt install -y ruby-full build-essential zlib1g-dev