chore: Enforce a specific version of NPM to make package-locks not vary

Co-authored-by: Gabriel <gaccettola@mirantis.com>
Signed-off-by: Iku-turso <mikko.aspiala@gmail.com>

.npmrc

@@ -1,3 +1,4 @@
 disturl "https://electronjs.org/headers"
 target "19.0.4"
 runtime "electron"
+engine-strict=true

package-lock.json

@@ -14,6 +14,9 @@
         "cross-env": "^7.0.3",
         "lerna": "^6.6.1",
         "rimraf": "^4.4.1"
+      },
+      "engines": {
+        "npm": "9.6.5"
       }
     },
     "node_modules/@adobe/css-tools": {

package.json

@@ -44,5 +44,8 @@
     "cross-env": "^7.0.3",
     "lerna": "^6.6.1",
     "rimraf": "^4.4.1"
+  },
+  "engines": {
+    "npm": "9.6.5"
   }
 }