chore(docs): replace punctuation

Author: FajarKim

CONTRIBUTING.md

@@ -65,7 +65,7 @@ We use GitHub issues to track public bugs. Report a bug by [opening a new issue]
 - What you expected to happen
 - Notes (possible causes, things you tried that didn't work)
 
-People ❤️ thorough bug reports, we’re not even kidding.
+People ❤️ thorough bug reports, we're not even kidding.
 
 ### Feature Requests
 
@@ -77,4 +77,4 @@ People ❤️ thorough bug reports, we’re not even kidding.
 
 ## License
 
-By contributing, you agree that your contributions will be licensed under the project's [MIT License](/LICENSE).
+By contributing, you agree that your contributions will be licensed under the project's [MIT License](/LICENSE).