Release v1.22.0

* chore: Update go:1.25.3 Docker digest to 2e3aca2 (#449)
* chore: Update go:1.25.3 Docker digest to 6ea52a0 (#451)
* chore: Update dependency golangci-lint to v2.6.0 (#454)
* chore: Update go:1.25.3 Docker digest to 6bac879 (#453)
* chore: Update dependency xk6 to v1.2.3 (#448)
* chore: Update dependency buf to v1.59.0 (#441)

Signed-off-by: Marcelo E. Magallon <[email protected]>

Author: mem

CHANGELOG.md

@@ -2,6 +2,9 @@
 ## [Unreleased]
 
 
+<a name="v1.22.0"></a>
+## [v1.22.0] - 2025-10-31
+
 <a name="v1.21.3"></a>
 ## [v1.21.3] - 2025-10-14
 
@@ -406,7 +409,8 @@
 <a name="v0.0.0"></a>
 ## v0.0.0 - 2023-11-24
 
-[Unreleased]: https://github.com/grafana/grafana-build-tools/compare/v1.21.3...HEAD
+[Unreleased]: https://github.com/grafana/grafana-build-tools/compare/v1.22.0...HEAD
+[v1.22.0]: https://github.com/grafana/grafana-build-tools/compare/v1.21.3...v1.22.0
 [v1.21.3]: https://github.com/grafana/grafana-build-tools/compare/v1.21.2...v1.21.3
 [v1.21.2]: https://github.com/grafana/grafana-build-tools/compare/v1.21.1...v1.21.2
 [v1.21.1]: https://github.com/grafana/grafana-build-tools/compare/v1.21.0...v1.21.1