Mark //ext/test/http:curl_http_test as flaky test as sometimes it may fail CI, so retry it few times

Author: malkia

ext/test/http/BUILD

@@ -10,6 +10,8 @@ otel_cc_test(
         "curl_http_test.cc",
     ],
     tags = ["test"],
+    # It hits the CI sometimes, so mark it as flaky
+    flaky = True,
     deps = dll_deps([
         "//ext:headers",
         "//ext/src/http/client/curl:http_client_curl",