Sync eng/common directory with azure-sdk-tools for PR 8865 (#36979)

* bump proxy version

* bump proxy version

* restore most of the old performance, only fall back to json matching when something goes wrong

* use newest version with protection from invalid json

---------

Co-authored-by: Scott Beddall <[email protected]>

Author: azure-sdk

eng/common/testproxy/target_version.txt

@@ -1 +1 @@
-1.0.0-dev.20240806.1
+1.0.0-dev.20240823.1