build(deps): Bump @cosmjs/proto-signing from 0.30.1 to 0.31.0 (#214)

* chore(deps): Bump @cosmjs/proto-signing from 0.30.1 to 0.31.0

Bumps [@cosmjs/proto-signing](https://github.com/cosmos/cosmjs) from 0.30.1 to 0.31.0.
- [Changelog](https://github.com/cosmos/cosmjs/blob/main/CHANGELOG.md)
- [Commits](cosmos/cosmjs@v0.30.1...v0.31.0)

---
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>

* bump

---------

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

package.json

@@ -34,13 +34,13 @@
     ]
   },
   "dependencies": {
-    "@cosmjs/amino": "^0.30.1",
-    "@cosmjs/crypto": "^0.30.1",
-    "@cosmjs/encoding": "^0.30.1",
-    "@cosmjs/math": "^0.30.1",
-    "@cosmjs/proto-signing": "^0.30.1",
-    "@cosmjs/stargate": "^0.30.1",
-    "@cosmjs/tendermint-rpc": "^0.30.1",
+    "@cosmjs/amino": "^0.31.0",
+    "@cosmjs/crypto": "^0.31.0",
+    "@cosmjs/encoding": "^0.31.0",
+    "@cosmjs/math": "^0.31.0",
+    "@cosmjs/proto-signing": "^0.31.0",
+    "@cosmjs/stargate": "^0.31.0",
+    "@cosmjs/tendermint-rpc": "^0.31.0",
     "cosmjs-types": "^0.8.0",
     "itty-router": "^4.0.13",
     "long": "^5.2.3"