chore(main): release 1.21.0 (#2259)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

CHANGELOG.md

@@ -1,6 +1,22 @@
 # Changelog
 
 
+## [1.21.0](https://github.com/googleapis/gapic-generator-python/compare/v1.20.2...v1.21.0) (2024-12-11)
+
+
+### Features
+
+* Add client debug logging support for async gRPC ([#2291](https://github.com/googleapis/gapic-generator-python/issues/2291)) ([f45935a](https://github.com/googleapis/gapic-generator-python/commit/f45935a4d760a36bf989ed79bfd02aa7ec203468))
+* Add client logging support for sync gRPC ([#2284](https://github.com/googleapis/gapic-generator-python/issues/2284)) ([dddf797](https://github.com/googleapis/gapic-generator-python/commit/dddf797a1ec7bf0496b4b4c75f8d37faa753c824))
+* Add debug log when creating client ([#2265](https://github.com/googleapis/gapic-generator-python/issues/2265)) ([8be95a2](https://github.com/googleapis/gapic-generator-python/commit/8be95a2f4749a2882117154aa655c0a9d71cdc50))
+* Add debug log when sending requests via REST ([#2270](https://github.com/googleapis/gapic-generator-python/issues/2270)) ([4cb1fa2](https://github.com/googleapis/gapic-generator-python/commit/4cb1fa2452ad5ba59b34c9d25cb3ca0c635059ac))
+
+
+### Bug Fixes
+
+* Fix typing issue with gRPC metadata when key ends in -bin ([#2251](https://github.com/googleapis/gapic-generator-python/issues/2251)) ([8b3b80f](https://github.com/googleapis/gapic-generator-python/commit/8b3b80f4b55c295e5d13084284ff0e2a72b2e993))
+* **log:** Preserve dict of rest async response headers ([#2288](https://github.com/googleapis/gapic-generator-python/issues/2288)) ([b10cc21](https://github.com/googleapis/gapic-generator-python/commit/b10cc21daf7d17567119f5c9b33d98fe18072eb4))
+
 ## [1.20.2](https://github.com/googleapis/gapic-generator-python/compare/v1.20.1...v1.20.2) (2024-10-30)
 
 

setup.py

@@ -22,7 +22,7 @@
 name = "gapic-generator"
 description = "Google API Client Generator for Python"
 url = "https://github.com/googleapis/gapic-generator-python"
-version = "1.20.2"
+version = "1.21.0"
 release_status = "Development Status :: 5 - Production/Stable"
 dependencies = [
     # Ensure that the lower bounds of these dependencies match what we have in the