chore: update CHANGELOG (#3465)

Co-authored-by: Akash Satheesan <[email protected]>

Author: jsjoeio

CHANGELOG.md

@@ -47,6 +47,7 @@ VS Code v0.00.0
 
 ### Documentation
 
+- docs: add Pomerium #3424 @desimone
 - docs: fix confusing sentence in pull requests section #3460 @shiv-tyagi
 - docs: remove toc from changelog @oxy @jsjoeio
 - docs(MAINTAINING): add information about CHANGELOG #3467 @jsjoeio