Update CHANGELOG.md

Signed-off-by: Mitchell Hentges <[email protected]>

Author: mitchhentgesspotify

CHANGELOG.md

@@ -24,6 +24,7 @@
 ### Performance
 
 - `[jest-runner]` Do not instrument v8 coverage data if coverage should not be collected [#13282](https://github.com/facebook/jest/pull/13282)
+- Use sha1 instead of sha256 for hashing [#13421](https://github.com/facebook/jest/pull/13421)
 
 ## 29.1.2