chore(release): publish

- netlify-cms-app@2.15.69
 - netlify-cms-core@2.54.8
 - netlify-cms@2.10.189

packages/netlify-cms-core/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.
 
+## [2.54.8](https://github.com/netlify/netlify-cms/compare/netlify-cms-core@2.54.7...netlify-cms-core@2.54.8) (2022-03-14)
+
+
+### Bug Fixes
+
+* replace instanceof check ([#6284](https://github.com/netlify/netlify-cms/issues/6284)) ([a0d3917](https://github.com/netlify/netlify-cms/commit/a0d391724973161b68891a7ebcf4fdac4fe2384c))
+
+
+
+
+
 ## [2.54.7](https://github.com/netlify/netlify-cms/compare/netlify-cms-core@2.54.6...netlify-cms-core@2.54.7) (2022-03-08)
 
 **Note:** Version bump only for package netlify-cms-core

packages/netlify-cms-core/package.json

@@ -1,7 +1,7 @@
 {
   "name": "netlify-cms-core",
   "description": "Netlify CMS core application, see netlify-cms package for the main distribution.",
-  "version": "2.54.7",
+  "version": "2.54.8",
   "repository": "https://github.com/netlify/netlify-cms/tree/master/packages/netlify-cms-core",
   "bugs": "https://github.com/netlify/netlify-cms/issues",
   "module": "dist/esm/index.js",