[tagpr] update CHANGELOG.md

Author: github-actions[bot]

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [v3.1.3](https://github.com/shamaton/msgpack/compare/v3.1.2...v3.1.3) - 2026-06-03
+- Potential fix for code scanning alert no. 1: Workflow does not contain permissions by @shamaton in https://github.com/shamaton/msgpack/pull/75
+- Bump actions/upload-artifact from 5.0.0 to 7.0.1 by @dependabot[bot] in https://github.com/shamaton/msgpack/pull/77
+- Bump securego/gosec from de65614d10a6b84029e3e1215567b8ce7e490f23 to 6351b0c6fcc7d75acb230a9be7f9047aada322ae by @dependabot[bot] in https://github.com/shamaton/msgpack/pull/78
+- Bump actions/download-artifact from 5.0.0 to 8.0.1 by @dependabot[bot] in https://github.com/shamaton/msgpack/pull/79
+
 ## [v3.1.2](https://github.com/shamaton/msgpack/compare/v3.1.1...v3.1.2) - 2026-05-19
 - chore: clean up and pin GitHub Actions workflows by @shamaton in https://github.com/shamaton/msgpack/pull/71
 - Bump codecov/codecov-action from 6.0.0 to 6.0.1 by @dependabot[bot] in https://github.com/shamaton/msgpack/pull/73