chore(deps): bump buffer from 5.5.0 to 5.6.0

Bumps [buffer](https://github.com/feross/buffer) from 5.5.0 to 5.6.0.
- [Release notes](https://github.com/feross/buffer/releases)
- [Commits](https://github.com/feross/buffer/compare/v5.5.0...v5.6.0)

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

web3.js/package-lock.json

@@ -5872,9 +5872,9 @@
       "dev": true
     },
     "buffer": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.5.0.tgz",
-      "integrity": "sha512-9FTEDjLjwoAkEwyMGDjYJQN2gfRgOKBKRfiglhvibGbpeeU/pQn1bJxQqm32OD/AIeEuHxU9roxXxg34Byp/Ww==",
+      "version": "5.6.0",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.6.0.tgz",
+      "integrity": "sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==",
       "requires": {
         "base64-js": "^1.0.2",
         "ieee754": "^1.1.4"