Fix release dates in changelogs

Author: igorschoester

packages/components/CHANGELOG.MD

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file. Releases wi
 
 We follow [Semantic Versioning](http://semver.org/).
 
-## 2.17.0 April 5th, 2021
+## 2.17.0 April 1st, 2021
 ### Enhancements
 * Updates the `Checkbox` component to the newer style. Now wrapped in a `FieldGroup`.
 * Adds a maximum width to the `Alert` component.

packages/schema-blocks/CHANGELOG.md

@@ -5,7 +5,7 @@ This changelog is according to [Keep a Changelog](http://keepachangelog.com).
 All notable changes to this project will be documented in this file.
 We follow [Semantic Versioning](http://semver.org/).
 
-## 1.6.0 April 5th, 2021
+## 1.6.0 April 1st, 2021
 ### Enhancements
 * Adds the option to set `keepPlaceholderOnFocus` for the RichText field.
 

packages/social-metadata-previews/CHANGELOG.md

@@ -3,7 +3,7 @@
 All notable changes to this project will be documented in this file.
 We follow [Semantic Versioning](http://semver.org/).
 
-## 1.15.0 April 5th, 2021
+## 1.15.0 April 1st, 2021
 ### Enhancements
 * Removes the keyphrase highlighting in the mobile meta description to reflect new Google behavior.
 * Improves the URL in the SnippetEditor.