try java 11

Author: hamnis

.github/workflows/test.yml

@@ -11,10 +11,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 21
+      - name: Set up JDK 11
         uses: actions/setup-java@v4
         with:
-          java-version: 21
+          java-version: 11
           distribution: temurin
           cache: sbt
       - name: Setup sbt