Bump buffer from 5.7.1 to 6.0.3

Bumps [buffer](https://github.com/feross/buffer) from 5.7.1 to 6.0.3.
- [Release notes](https://github.com/feross/buffer/releases)
- [Commits](feross/buffer@v5.7.1...v6.0.3)

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

package.json

@@ -14,7 +14,7 @@
     "axios": "^0.21.1",
     "big.js": "^6.0.3",
     "browser-file-storage": "^1.0.7",
-    "buffer": "^5.7.1",
+    "buffer": "^6.0.3",
     "classnames": "^2.2.6",
     "eccrypto": "^1.1.6",
     "embla-carousel": "^4.2.0",