Bump typespec python 0.45.4 (#41791)

* Initial plan

* Bump TypeSpec version in emitter-package.json and update lock file

Co-authored-by: msyyc <70930885+msyyc@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: msyyc

eng/emitter-package-lock.json

@@ -1,7 +1,7 @@
 {
   "name": "dist/src/index.js",
   "dependencies": {
-    "@azure-tools/typespec-python": "0.45.3"
+    "@azure-tools/typespec-python": "0.45.4"
   },
   "devDependencies": {
     "@typespec/compiler": "^1.1.0",
@@ -17,7 +17,7 @@
     "@azure-tools/typespec-azure-resource-manager": "~0.57.0",
     "@azure-tools/typespec-autorest": "~0.57.0",
     "@azure-tools/typespec-azure-rulesets": "~0.57.0",
-    "@azure-tools/typespec-client-generator-core": "~0.57.1",
+    "@azure-tools/typespec-client-generator-core": "~0.57.2",
     "@azure-tools/typespec-liftr-base": "0.8.0"
   }
 }