Bump @metamask/object-multiplex from 2.0.0 to 2.1.0 (#375)

Bumps [@metamask/object-multiplex](https://github.com/MetaMask/object-multiplex) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/MetaMask/object-multiplex/releases)
- [Changelog](https://github.com/MetaMask/object-multiplex/blob/main/CHANGELOG.md)
- [Commits](MetaMask/object-multiplex@v2.0.0...v2.1.0)

---
updated-dependencies:
- dependency-name: "@metamask/object-multiplex"
  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

@@ -1089,12 +1089,12 @@ __metadata:
   linkType: hard
 
 "@metamask/object-multiplex@npm:^2.0.0":
-  version: 2.0.0
-  resolution: "@metamask/object-multiplex@npm:2.0.0"
+  version: 2.1.0
+  resolution: "@metamask/object-multiplex@npm:2.1.0"
   dependencies:
     once: ^1.4.0
     readable-stream: ^3.6.2
-  checksum: 54baea752a3ac7c2742c376512e00d4902d383e9da8787574d3b21eb0081523309e24e3915a98f3ae0341d65712b6832d2eb7eeb862f4ef0da1ead52dcde5387
+  checksum: e119f695e89eb20c3174f8ac6d74587498d85cff92c37e83e167cb758b3d3147d5b5e1a997d6198d430ebcf2cede6265bf5d4513fe96dbb2d82bbc6167752caa
   languageName: node
   linkType: hard