Merge pull request #24 from temporalio/dependabot/pip/samples/polyglot/protobuf-4.25.8

Bump protobuf from 4.23.1 to 4.25.8 in /samples/polyglot

Author: tomwheeler

samples/polyglot/requirements.txt

@@ -1,4 +1,4 @@
-protobuf==4.23.1
+protobuf==4.25.8
 temporalio==1.16.0
 types-protobuf==4.23.0.1
 typing_extensions==4.5.0