Bump protobuf from 4.25.2 to 4.25.8 in /contract-tests/images/mock-collector (#244)

Author: dependabot[bot]

contract-tests/images/mock-collector/pyproject.toml

@@ -13,7 +13,7 @@ dependencies = [
     "grpcio ~= 1.60.0",
     "opentelemetry-proto==1.25.0",
     "opentelemetry-sdk==1.25.0",
-    "protobuf==4.25.2",
+    "protobuf==4.25.8",
     "typing-extensions==4.9.0"
 ]
 

contract-tests/images/mock-collector/requirements.txt

@@ -1,5 +1,5 @@
 grpcio==1.60.1
 opentelemetry-proto==1.25.0
 opentelemetry-sdk==1.25.0
-protobuf==4.25.2
+protobuf==4.25.8
 typing-extensions==4.9.0