[Python] Bump Xpresso to v0.44.1 (#7620)

* [Python] Bump Xpresso to v0.43.0

* Update requirements.txt

frameworks/Python/xpresso/requirements.txt

@@ -4,4 +4,4 @@ markupsafe==2.0.1
 httptools==0.4.0
 uvloop==0.16.0
 uvicorn==0.18.2
-xpresso==0.42.0
+xpresso==0.44.1