chore(release): updated release notes and package versions [ci skip]

 - @contentful/live-preview@3.0.0-alpha.19

packages/live-preview-sdk/CHANGELOG.md

@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [3.0.0-alpha.19](https://github.com/contentful/live-preview/compare/@contentful/live-preview@3.0.0-alpha.18...@contentful/live-preview@3.0.0-alpha.19) (2024-02-22)
+
+
+### Bug Fixes
+
+* **content-sourcemap:** tag only wrapper around richtext [TOL-1832] ([#588](https://github.com/contentful/live-preview/issues/588)) ([c2035a5](https://github.com/contentful/live-preview/commit/c2035a56f6407fafc0cbfc26290c5c5b9009a377))
+
+
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 # [3.0.0-alpha.18](https://github.com/contentful/live-preview/compare/@contentful/live-preview@3.0.0-alpha.17...@contentful/live-preview@3.0.0-alpha.18) (2024-02-21)
 
 **Note:** Version bump only for package @contentful/live-preview

packages/live-preview-sdk/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@contentful/live-preview",
-  "version": "3.0.0-alpha.18",
+  "version": "3.0.0-alpha.19",
   "author": "Contentful GmbH",
   "license": "MIT",
   "description": "Preview SDK for both the field tagging connection + live content updates",