Bump @metamask/rpc-errors from 6.3.1 to 6.4.0 (#367)

Bumps [@metamask/rpc-errors](https://github.com/MetaMask/rpc-errors) from 6.3.1 to 6.4.0.
- [Release notes](https://github.com/MetaMask/rpc-errors/releases)
- [Changelog](https://github.com/MetaMask/rpc-errors/blob/main/CHANGELOG.md)
- [Commits](MetaMask/rpc-errors@v6.3.1...v6.4.0)

---
updated-dependencies:
- dependency-name: "@metamask/rpc-errors"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

yarn.lock

@@ -1155,12 +1155,12 @@ __metadata:
   linkType: soft
 
 "@metamask/rpc-errors@npm:^6.3.1":
-  version: 6.3.1
-  resolution: "@metamask/rpc-errors@npm:6.3.1"
+  version: 6.4.0
+  resolution: "@metamask/rpc-errors@npm:6.4.0"
   dependencies:
     "@metamask/utils": ^9.0.0
     fast-safe-stringify: ^2.0.6
-  checksum: 8761f5c0161cb3b342abd3ccccbd7b792f36a987e1f22c3f89b1bd29f72a2e35a2c91b58164fdd9dc3e5b67157500dcbdb5d04245117c14310c34cf42f7b8463
+  checksum: d0c77097f4d6ff0bafc4e4c915285c4320bdd119ef79f1833ec208deaeeb755500efefbb422f39210801b1061963449431d2e19715a5eb3d06ce0b5c150a75a1
   languageName: node
   linkType: hard