Bump ddtrace version to latest. (#496)

Author: purple4reina

pyproject.toml

@@ -27,7 +27,7 @@ classifiers = [
 python = ">=3.8.0,<4"
 datadog = ">=0.41.0,<1.0.0"
 wrapt = "^1.11.2"
-ddtrace = ">=2.7.2"
+ddtrace = ">=2.9.0"
 ujson = ">=5.9.0"
 urllib3 = [
  {version = "<2.0.0", python = "<3.11", optional = true},