Moved changelog suggestion to unreleased section, added support for py12 instrument-grpc

Author: VamsiKrishna1211

CHANGELOG.md

@@ -27,6 +27,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#2590](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2590))
 - Reference symbols from generated semantic conventions
   ([#2611](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2611))
+- `opentelemetry-instrumentation-grpc` Fixes the issue with the gRPC instrumentation not working with the 1.63.0 and higher version of gRPC
+  ([#2483](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2484))
 
 ## Version 1.25.0/0.46b0 (2024-05-31)
 
@@ -90,8 +92,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#2553](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2553))
 - `opentelemetry-util-http` Preserve brackets around literal IPv6 hosts ([#2552](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2552))
 - `opentelemetry-util-redis` Fix net peer attribute for unix socket connection ([#2493](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2493))
-- `opentelemetry-instrumentation-grpc` Fixes the issue with the gRPC instrumentation not working with the 1.63.0 and higher version of gRPC
-  ([#2483](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2484))
 
 ## Version 1.24.0/0.45b0 (2024-03-28)
 

tox.ini

@@ -243,7 +243,7 @@ envlist =
     ; below mean these dependencies are being used:
     ; 0: grpcio==1.62.0
     ; 1: grpcio==1.63.0
-    py3{8,9,10,11}-test-instrumentation-grpc-{0,1}
+    py3{8,9,10,11,12}-test-instrumentation-grpc-{0,1}
     pypy3-test-instrumentation-grpc-{0,1}
     lint-instrumentation-grpc