fix: Update okhttp-eventsource to 5.0.1

5.0.1 closes the response body when a stream stops. A restart that the SDK
starts itself then releases the HTTP/2 connection, so the stream connection
pool can close it.

Author: kinyoklion

lib/sdk/server/build.gradle

@@ -74,7 +74,7 @@ ext.versions = [
     "launchdarklyJavaSdkInternal": "1.12.2",
     "launchdarklyLogging": "1.1.0",
     "okhttp": "4.12.0", // specify this for the SDK build instead of relying on the transitive dependency from okhttp-eventsource
-    "okhttpEventsource": "5.0.0",
+    "okhttpEventsource": "5.0.1",
     "reactorCore":"3.3.22.RELEASE",
     "slf4j": "1.7.36",
     "snakeyaml": "2.4",