Update CHANGELOG.md

Author: lekterable

CHANGELOG.md

@@ -25,6 +25,7 @@
 - `[jest-runtime]` Exclude setup/teardown files from coverage report ([#7790](https://github.com/facebook/jest/pull/7790)
 - `[babel-jest]` Throw an error if `babel-jest` tries to transform a file ignored by Babel ([#7797](https://github.com/facebook/jest/pull/7797))
 - `[babel-plugin-jest-hoist]` Ignore TS type references when looking for out-of-scope references ([#7799](https://github.com/facebook/jest/pull/7799)
+- `[jest-runtime]` Use normalized config and remove unecessary checks ([#7801](https://github.com/facebook/jest/pull/7801)
 
 ### Chore & Maintenance