make aws4 a dev dependency

Author: PavelSafronov

package-lock.json

@@ -26,7 +26,6 @@
   },
   "dependencies": {
     "@mongodb-js/saslprep": "^1.3.0",
-    "aws4": "^1.13.2",
     "bson": "^7.0.0",
     "mongodb-connection-string-url": "^7.0.0"
   },
@@ -82,6 +81,7 @@
     "@types/whatwg-url": "^13.0.0",
     "@typescript-eslint/eslint-plugin": "^8.46.3",
     "@typescript-eslint/parser": "^8.31.1",
+    "aws4": "^1.13.2",
     "chai": "^4.4.1",
     "chai-subset": "^1.6.0",
     "chalk": "^4.1.2",