Fix uvicorn[standard] version

Uvicorn was updated to version 0.23.2 in 2590d8a, but the version number
for `uvicorn[standard]` was not updated correspondingly. This commit
will update the `uvicorn[standard]` version number to 0.23.2.

pyproject.toml

@@ -62,7 +62,7 @@ uvicorn-fast = [
   "websockets>=10.4",
 ]
 uvicorn-standard = [
-  "uvicorn[standard]==0.22.0",
+  "uvicorn[standard]==0.23.2",
 ]
 
 [project.urls]