chore(deps): bump @cosmjs/proto-signing in /quicksilverjs

Bumps [@cosmjs/proto-signing](https://github.com/cosmos/cosmjs) from 0.29.4 to 0.31.2.
- [Changelog](https://github.com/cosmos/cosmjs/blob/main/CHANGELOG.md)
- [Commits](cosmos/cosmjs@v0.29.4...v0.31.2)

---
updated-dependencies:
- dependency-name: "@cosmjs/proto-signing"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

quicksilverjs/package.json

@@ -63,7 +63,7 @@
   },
   "dependencies": {
     "@cosmjs/amino": "0.29.4",
-    "@cosmjs/proto-signing": "0.29.4",
+    "@cosmjs/proto-signing": "0.31.2",
     "@cosmjs/stargate": "0.29.4",
     "@cosmjs/tendermint-rpc": "^0.29.4",
     "@cosmology/lcd": "^0.13.0"