#15215 #15636 #15643 Add change log for globals cleanup on env teardown (to reduce memory leaks) (#15656)

Author: eyalroth

CHANGELOG.md

@@ -113,6 +113,7 @@
 - `[*]` [**BREAKING**] Bundle all of Jest's modules into `index.js` ([#12348](https://github.com/jestjs/jest/pull/12348), [#14550](https://github.com/jestjs/jest/pull/14550) & [#14661](https://github.com/jestjs/jest/pull/14661))
 - `[jest-haste-map]` Only spawn one process to check for `watchman` installation ([#14826](https://github.com/jestjs/jest/pull/14826))
 - `[jest-runner]` Better cleanup `source-map-support` after test to resolve (minor) memory leak ([#15233](https://github.com/jestjs/jest/pull/15233))
+- `[jest-circus, jest-environment-node, jest-repl, jest-runner, jest-util]` Cleanup global variables on environment teardown to reduce memory leaks ([#15215](https://github.com/jestjs/jest/pull/15215) & [#15636](https://github.com/jestjs/jest/pull/15636) & [#15643](https://github.com/jestjs/jest/pull/15643))
 
 ### Chore & Maintenance