fix: ACNA-3467 - set npm engine in package.json for dependabot (#99)

Co-authored-by: Amulya Kashyap <amulyak@adobe.com>

Author: amulyakashyap09

package.json

@@ -47,7 +47,8 @@
     "stdout-stderr": "^0.1.13"
   },
   "engines": {
-    "node": ">=18"
+    "node": ">=18",
+    "npm": ">=7"
   },
   "files": [
     "/oclif.manifest.json",