chore: bump buffer from 6.0.1 to 6.0.2 in /web3.js

Bumps [buffer](https://github.com/feross/buffer) from 6.0.1 to 6.0.2.
- [Release notes](https://github.com/feross/buffer/releases)
- [Commits](https://github.com/feross/buffer/compare/v6.0.1...v6.0.2)

Signed-off-by: dependabot[bot] <support@github.com>

web3.js/package-lock.json

@@ -7295,9 +7295,9 @@
       "dev": true
     },
     "buffer": {
-      "version": "6.0.1",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.1.tgz",
-      "integrity": "sha512-rVAXBwEcEoYtxnHSO5iWyhzV/O1WMtkUYWlfdLS7FjU4PnSJJHEfHXi/uHPI5EwltmOA794gN3bm3/pzuctWjQ==",
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.2.tgz",
+      "integrity": "sha512-XeXCUm+F7uY7fIzq4pKy+BLbZk4SgYS5xwlZOFYD3UEcAD+PwOoTaFr/SaXvhR1yRa8SKyPSZ7LNX4N65w7h8A==",
       "requires": {
         "base64-js": "^1.3.1",
         "ieee754": "^1.2.1"