Bump @metamask/snaps-utils from 8.1.1 to 8.4.0

Bumps [@metamask/snaps-utils](https://github.com/MetaMask/snaps) from 8.1.1 to 8.4.0.
- [Release notes](https://github.com/MetaMask/snaps/releases)
- [Commits](https://github.com/MetaMask/snaps/compare/@metamask/[email protected]...@metamask/[email protected])

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

Signed-off-by: dependabot[bot] <[email protected]>

yarn.lock

@@ -5224,9 +5224,22 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@metamask/snaps-sdk@npm:^6.8.0":
+  version: 6.8.0
+  resolution: "@metamask/snaps-sdk@npm:6.8.0"
+  dependencies:
+    "@metamask/key-tree": ^9.1.2
+    "@metamask/providers": ^17.1.2
+    "@metamask/rpc-errors": ^6.3.1
+    "@metamask/superstruct": ^3.1.0
+    "@metamask/utils": ^9.2.1
+  checksum: a7cfbadb4f816776a2e34353cdd99cae665de47971ada4400aea15dfa308a17f468fec98e4798e54d454284baf43c7a9eb44fc480543770ed7e17ae34a199b32
+  languageName: node
+  linkType: hard
+
 "@metamask/snaps-utils@npm:^8.1.1":
-  version: 8.1.1
-  resolution: "@metamask/snaps-utils@npm:8.1.1"
+  version: 8.4.0
+  resolution: "@metamask/snaps-utils@npm:8.4.0"
   dependencies:
     "@babel/core": ^7.23.2
     "@babel/types": ^7.23.0
@@ -5236,7 +5249,7 @@ __metadata:
     "@metamask/rpc-errors": ^6.3.1
     "@metamask/slip44": ^4.0.0
     "@metamask/snaps-registry": ^3.2.1
-    "@metamask/snaps-sdk": ^6.5.0
+    "@metamask/snaps-sdk": ^6.8.0
     "@metamask/superstruct": ^3.1.0
     "@metamask/utils": ^9.2.1
     "@noble/hashes": ^1.3.1
@@ -5251,7 +5264,7 @@ __metadata:
     semver: ^7.5.4
     ses: ^1.1.0
     validate-npm-package-name: ^5.0.0
-  checksum: f1562cd2f17edd0058c5ec24376478692a71b8597c7baf0af4710e2f12d7dce42aeff06813062033cbf61f721476ed79b6bdaa82adfde039cddb902115a0c96d
+  checksum: aa12570b3e845bc70a30978c0f298738d2efd135cd73f58f638aa817eac05e7a5c5ebe33cc637bd3982eb66f9b5134c86bcc9790d7a5e051d0c819c6ad37cd1c
   languageName: node
   linkType: hard