Update version for next patch release

Author: ephox

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tinymce/tinymce-angular",
-  "version": "9.1.2",
+  "version": "9.1.3-rc",
   "private": true,
   "description": "Official Angular component for TinyMCE, the rich text editor.",
   "license": "MIT",
@@ -14,8 +14,8 @@
     "ngx",
     "component",
     "wysiwyg",
-		"rich-text-editor",
-		"html",
+    "rich-text-editor",
+    "html",
     "contenteditable",
     "editor"
   ],