chore: adjust links to repositories (krzema12 -> typesafegithub)

Author: krzema12

README.md

@@ -4,12 +4,12 @@ Bring type-safety to your GitHub actions' API!
 
 This is a GitHub action that validates your action's type specs (`action-types.y(a)ml`) and ensures the inputs and
 outputs have types set according to a certain specification.
-It aims to be a standardized way to present your actions' API, both to human users and any kind of automation (e. g. generating action wrappers for [this Kotlin DSL](https://github.com/krzema12/github-workflows-kt)).
+It aims to be a standardized way to present your actions' API, both to human users and any kind of automation (e. g. generating action wrappers for [this Kotlin DSL](https://github.com/typesafegithub/github-workflows-kt)).
 Similar to typings for TypeScript or type hints for Python.
 
 It supports YAML anchors and aliases to reduce duplication.
 
-To see which actions already provide typings using this schema, click [here](https://github.com/krzema12/github-actions-typing/network/dependents).
+To see which actions already provide typings using this schema, click [here](https://github.com/typesafegithub/github-actions-typing/network/dependents).
 
 # Example