Release v1.56.0 (#3942)

Author: buf-release-bot[bot]

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-## [Unreleased]
+## [v1.56.0] - 2025-07-31
 
 - Add `buf export --all` flag to include non-proto source files.
 - Add s390x binaries for Linux to releases.
@@ -1395,7 +1395,7 @@ buf check breaking proto --against .git#branch=master,subdir=proto
 
 Initial beta release.
 
-[Unreleased]: https://github.com/bufbuild/buf/compare/v1.55.1...HEAD
+[v1.56.0]: https://github.com/bufbuild/buf/compare/v1.55.1...v1.56.0
 [v1.55.1]: https://github.com/bufbuild/buf/compare/v1.55.0...v1.55.1
 [v1.55.0]: https://github.com/bufbuild/buf/compare/v1.54.0...v1.55.0
 [v1.54.0]: https://github.com/bufbuild/buf/compare/v1.53.0...v1.54.0

private/buf/bufcli/bufcli.go

@@ -15,4 +15,4 @@
 package bufcli
 
 // Version is the CLI version of buf.
-const Version = "1.55.2-dev"
+const Version = "1.56.0"