chore: pr link in changelog

changelog.md

@@ -10,7 +10,7 @@
   - Removed React JSX support
   - Small utility function refactoring
   
-[See pull request for more info](https://github.com/Sv443/BetterYTM/pull/TODO)
+[See pull request for more info](https://github.com/Sv443/BetterYTM/pull/47)
 
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