Update .npmrc (#3399)

Don't display `npm WARN <....>`  on install

Only Error will be displayed

Author: bugsounet

.npmrc

@@ -1,2 +1,3 @@
 engine-strict=true
 audit=false
+loglevel="error"

CHANGELOG.md

@@ -40,6 +40,7 @@ _This release is scheduled to be released on 2024-04-01._
 - Changed `log.debug` to `log.log` in `app.js` where logLevel is not set because config is not loaded at this time (#3353)
 - added message in case where config.js is missing the module.export line PR #3383
 - Fixed an issue where recurring events could extend past their recurrence end date (#3393)
+- Don't display any `npm WARN <....>` on install (#3399)
 
 ### Deleted