Update release date and add two new PRs to the whats changed section. (…

…#2416)

RELEASE.md

@@ -9,7 +9,7 @@ This file is copied to nebari-dev/nebari-docs using a GitHub Action. -->
 
 ---
 
-## Release 2024.4.1 - April 18, 2024
+## Release 2024.4.1 - April 20, 2024
 
 ### What's Changed
 * update azurerm version by @Adam-D-Lewis in https://github.com/nebari-dev/nebari/pull/2370
@@ -20,6 +20,8 @@ This file is copied to nebari-dev/nebari-docs using a GitHub Action. -->
 * add trailing slash for jupyterhub proxy paths by @Adam-D-Lewis in https://github.com/nebari-dev/nebari/pull/2387
 * remove references to deprecated cdsdashboards by @Adam-D-Lewis in https://github.com/nebari-dev/nebari/pull/2390
 * add default node groups to config by @Adam-D-Lewis in https://github.com/nebari-dev/nebari/pull/2398
+* Update concurrency settings for Integration tests by @viniciusdc in https://github.com/nebari-dev/nebari/pull/2393
+* Make CI/CD Cloud Provider Test Conditional by @tylergraff in https://github.com/nebari-dev/nebari/pull/2369
 
 ### New Contributors
 * @exitflynn made their first contribution in https://github.com/nebari-dev/nebari/pull/2375