move @tinymce/miniature from devDependency to dependency

tinymce#588 added an import from
@tinymce/miniature code in src/main/ts/Utils.ts.

Author: mgrunberg

package.json

@@ -26,7 +26,8 @@
   "author": "Ephox Corporation DBA Tiny Technologies, Inc.",
   "license": "MIT",
   "dependencies": {
-    "prop-types": "^15.6.2"
+    "prop-types": "^15.6.2",
+    "@tinymce/miniature": "^6.0.0"
   },
   "peerDependencies": {
     "react": "^19.0.0 || ^18.0.0 || ^17.0.1 || ^16.7.0",
@@ -58,7 +59,6 @@
     "@storybook/react-vite": "^8.6.4",
     "@tinymce/beehive-flow": "^0.19.0",
     "@tinymce/eslint-plugin": "^2.4.0",
-    "@tinymce/miniature": "^6.0.0",
     "@types/node": "^22.13.10",
     "@types/prop-types": "^15.7.14",
     "@types/react": "^19.0.0",