fix(deps): update dependency @smithy/protocol-http to ^5.4.6 (#27)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -16,7 +16,7 @@
   "main": "iamAuthenticatedApiGatewayFetch.ts",
   "dependencies": {
     "@aws-crypto/sha256-js": "^5.2.0",
-    "@smithy/protocol-http": "^5.4.5",
+    "@smithy/protocol-http": "^5.4.6",
     "@smithy/signature-v4": "^5.4.5",
     "@smithy/types": "^4.14.3"
   },