website/integrations: fix missing closing brace for semaphore (#14467)

Update index.mdx

Added missing closing bracket

Signed-off-by: ericgu08 <79233593+ericgu08@users.noreply.github.com>

website/integrations/services/semaphore/index.mdx

@@ -61,6 +61,7 @@ Add the `oidc_providers` configuration:
       "name_claim": "name",
       "email_claim": "email",
       "scopes": ["openid", "profile", "email"]
+    }
   },
   ...
 }