Task/set up min-release-age in .npmrc (#6915)

* Set up min-release-age

* Update changelog

.npmrc

@@ -0,0 +1 @@
+min-release-age=7

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- Configured the `min-release-age` in `.npmrc`
+
 ### Changed
 
 - Removed the deprecated attributes (`assetClass`, `countries`, `currency`, `dataSource`, `name`, `sectors`, `symbol` and `url`) from the holdings of the public portfolio endpoint response