chore(release): publish

- netlify-cms-app@2.12.13
 - netlify-cms-backend-bitbucket@2.11.5
 - netlify-cms-backend-git-gateway@2.10.5
 - netlify-cms-backend-github@2.10.6
 - netlify-cms-backend-proxy@1.0.7
 - netlify-cms-core@2.27.0
 - netlify-cms-lib-util@2.9.4
 - netlify-cms-locales@1.14.0
 - netlify-cms-proxy-server@1.2.7
 - netlify-cms-widget-code@1.1.5
 - netlify-cms-widget-date@2.5.1
 - netlify-cms-widget-datetime@2.5.0
 - netlify-cms-widget-list@2.5.0
 - netlify-cms-widget-markdown@2.11.3
 - netlify-cms-widget-relation@2.7.0
 - netlify-cms@2.10.49

packages/netlify-cms-proxy-server/package.json

@@ -1,7 +1,7 @@
 {
   "name": "netlify-cms-proxy-server",
   "description": "Proxy server to be used with Netlify CMS proxy backend",
-  "version": "1.2.6",
+  "version": "1.2.7",
   "repository": "https://github.com/netlify/netlify-cms/tree/master/packages/netlify-cms-proxy-server",
   "bugs": "https://github.com/netlify/netlify-cms/issues",
   "license": "MIT",
@@ -38,7 +38,7 @@
     "@types/node": "^13.1.7",
     "@types/vfile-message": "^2.0.0",
     "jest": "^24.9.0",
-    "netlify-cms-lib-util": "^2.9.3",
+    "netlify-cms-lib-util": "^2.9.4",
     "nodemon": "^2.0.2",
     "ts-jest": "^24.3.0",
     "ts-loader": "^6.2.1",