[tagpr] update CHANGELOG.md

Author: github-actions[bot]

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [v0.26.2](https://github.com/k1LoW/grpcstub/compare/v0.26.1...v0.26.2) - 2025-10-22
+### Other Changes
+- chore: setup tagpr labels by @k1LoW in https://github.com/k1LoW/grpcstub/pull/186
+
 ## [v0.26.1](https://github.com/k1LoW/grpcstub/compare/v0.26.0...v0.26.1) - 2025-10-14
 ### Other Changes
 - chore(deps): bump golang.org/x/net from 0.45.0 to 0.46.0 in the dependencies group by @dependabot[bot] in https://github.com/k1LoW/grpcstub/pull/184