Bump build.buf:buf from 1.61.0 to 1.62.1

Bumps [build.buf:buf](https://github.com/bufbuild/buf) from 1.61.0 to 1.62.1.
- [Release notes](https://github.com/bufbuild/buf/releases)
- [Changelog](https://github.com/bufbuild/buf/blob/main/CHANGELOG.md)
- [Commits](bufbuild/buf@v1.61.0...v1.62.1)

---
updated-dependencies:
- dependency-name: build.buf:buf
  dependency-version: 1.62.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 assertj = "3.27.6"
-buf = "1.61.0"
+buf = "1.62.1"
 cel = "0.11.1"
 error-prone = "2.45.0"
 junit = "5.14.1"