Updated changelog

Author: Progi1984

docs/changes/0.2.0.md

@@ -13,4 +13,5 @@
 - Github Action : Roave BC Check by [@Progi1984](https://github/Progi1984) in [#9](https://github.com/PHPOffice/Math/pull/9)
 - Bump actions/checkout from 2 to 4 by [@dependabot](https://github/dependabot) in [#10](https://github.com/PHPOffice/Math/pull/10)
 - Bump actions/setup-python from 2 to 4 by [@dependabot](https://github/dependabot) in [#11](https://github.com/PHPOffice/Math/pull/11)
-- Bump actions/setup-python from 4 to 5 by [@dependabot](https://github/dependabot) in [#12](https://github.com/PHPOffice/Math/pull/12)
+- Bump actions/setup-python from 4 to 5 by [@dependabot](https://github/dependabot) in [#12](https://github.com/PHPOffice/Math/pull/12)
+- Bump peaceiris/actions-gh-pages from 3 to 4 by [@dependabot](https://github/dependabot) in [#12](https://github.com/PHPOffice/Math/pull/13)