bump version to newest (Azure#31766)

Co-authored-by: scbedd <45376673+scbedd@users.noreply.github.com>

Author: azure-sdk

eng/common/testproxy/target_version.txt

@@ -1 +1 @@
-1.0.0-dev.20221007.3
+1.0.0-dev.20221026.3