build(deps): Bump @cosmjs/proto-signing from 0.31.3 to 0.32.2

Bumps [@cosmjs/proto-signing](https://github.com/cosmos/cosmjs) from 0.31.3 to 0.32.2.
- [Changelog](https://github.com/cosmos/cosmjs/blob/main/CHANGELOG.md)
- [Commits](cosmos/cosmjs@v0.31.3...v0.32.2)

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

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

package.json

@@ -57,7 +57,7 @@
 		"@cosmjs/crypto": "^0.32.2",
 		"@cosmjs/encoding": "^0.31.3",
 		"@cosmjs/math": "^0.32.2",
-		"@cosmjs/proto-signing": "^0.31.3",
+		"@cosmjs/proto-signing": "^0.32.2",
 		"@cosmjs/stargate": "^0.31.3",
 		"@cosmjs/tendermint-rpc": "^0.31.3",
 		"@cosmjs/utils": "^0.31.3",