CI: Bump java version from 11 to 17

Change-Id: I3986652718572e163a1a879478a3bc965422aafc
Reviewed-on: https://korap.ids-mannheim.de/gerrit/c/KorAP/Koral/+/9109
Reviewed-by: Marc Kupietz <kupietz@ids-mannheim.de>
diff --git a/.github/workflows/linux_ci.yml b/.github/workflows/linux_ci.yml
index a2fab57..dd66faf 100644
--- a/.github/workflows/linux_ci.yml
+++ b/.github/workflows/linux_ci.yml
@@ -8,11 +8,11 @@
     steps:
       - name: Checkout Koral
         uses: actions/checkout@v4
-      - name: Set up JDK 11
+      - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 11
+          java-version: 17
 
       - name: Build and install Koral
         run: mvn --file pom.xml install
diff --git a/.github/workflows/windows_ci.yml b/.github/workflows/windows_ci.yml
index b39de98..15acf7d 100644
--- a/.github/workflows/windows_ci.yml
+++ b/.github/workflows/windows_ci.yml
@@ -12,11 +12,11 @@
           git config --global core.eol lf
       - name: Checkout Koral
         uses: actions/checkout@v4
-      - name: Set up JDK 11
+      - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 11
+          java-version: 17
 
       - name: Build and install Koral
         run: mvn --file pom.xml install