tools: update clang-format 1.6.0 to 1.7.0

This resolves `npm audit` warnings when running `make format-cpp-build`.

PR-URL: #42724
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

Author: Trott

tools/clang-format/package-lock.json

@@ -4,6 +4,6 @@
   "description": "Formatting C++ files for Node.js core",
   "license": "MIT",
   "dependencies": {
-    "clang-format": "^1.6.0"
+    "clang-format": "^1.7.0"
   }
 }