chore(NA): fix incorrect version for this branch (#50485)

Author: mistic

package.json

@@ -12,7 +12,7 @@
   ],
   "private": true,
   "version": "7.5.0",
-  "branch": "7.x",
+  "branch": "7.5",
   "types": "./kibana.d.ts",
   "tsdocMetadata": "./build/tsdoc-metadata.json",
   "build": {