fix typo

Author: stefanddamian

.github/workflows/samples-java-client-jdk17.yaml

@@ -51,7 +51,7 @@ jobs:
           - samples/client/petstore/java/webclient-springBoot4-jackson3
           - samples/client/petstore/java/webclient-useSingleRequestParameter
           - samples/client/others/java/restclient-enum-in-multipart
-          - samples/client/others/java/restclient-sealedInterface/
+          - samples/client/others/java/restclient-sealedInterface
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-java@v5