Move @babel/plugin-proposal-private-property-in-object to devDependencies

Author: GnaneshKunal

package.json

@@ -102,6 +102,7 @@
     "@babel/plugin-proposal-optional-chaining": "^7.12.7",
     "@babel/plugin-proposal-pipeline-operator": "^7.12.1",
     "@babel/plugin-proposal-private-methods": "^7.18.6",
+    "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
     "@babel/plugin-proposal-throw-expressions": "^7.12.1",
     "@babel/plugin-syntax-dynamic-import": "^7.8.3",
     "@babel/plugin-syntax-import-meta": "^7.10.4",
@@ -233,7 +234,6 @@
     "yarn-deduplicate": "^3.1.0"
   },
   "dependencies": {
-    "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
     "@elastic/datemath": "^5.0.3",
     "@elastic/eui": "34.6.0",
     "@reduxjs/toolkit": "^1.6.2",