use jdk 11

Author: wing328

.github/workflows/samples-scala.yaml

@@ -26,7 +26,6 @@ jobs:
           - samples/client/petstore/scala-http4s
           - samples/client/petstore/scala-sttp
           - samples/client/petstore/scala-sttp-circe
-          #- samples/client/petstore/scala-sttp # won't pass while the same tests in circleci pass
           # servers
           - samples/server/petstore/scala-lagom-server
           - samples/server/petstore/scala-play-server
@@ -41,7 +40,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 8
+          java-version: 11
       - name: Setup sbt launcher
         uses: sbt/setup-sbt@v1
       - name: Cache maven dependencies