build(deps): bump github.com/cosmos/cosmos-sdk

Bumps [github.com/cosmos/cosmos-sdk](https://github.com/cosmos/cosmos-sdk) from 0.46.0-beta2.0.20230614103911-b3da8bb4e801 to 0.50.0-alpha.0.
- [Release notes](https://github.com/cosmos/cosmos-sdk/releases)
- [Changelog](https://github.com/cosmos/cosmos-sdk/blob/main/CHANGELOG.md)
- [Commits](https://github.com/cosmos/cosmos-sdk/commits/v0.50.0-alpha.0)

---
updated-dependencies:
- dependency-name: github.com/cosmos/cosmos-sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -8,7 +8,7 @@ require (
 	cosmossdk.io/x/tx v0.8.0
 	github.com/coinbase/rosetta-sdk-go/types v1.0.0
 	github.com/cometbft/cometbft v0.38.0-rc1
-	github.com/cosmos/cosmos-sdk v0.46.0-beta2.0.20230614103911-b3da8bb4e801
+	github.com/cosmos/cosmos-sdk v0.50.0-alpha.0
 	github.com/cosmos/gogoproto v1.4.10
 	github.com/cosmos/rosetta-sdk-go v0.10.0
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0

go.sum

@@ -162,8 +162,8 @@ github.com/cosmos/cosmos-db v1.0.0 h1:EVcQZ+qYag7W6uorBKFPvX6gRjw6Uq2hIh4hCWjuQ0
 github.com/cosmos/cosmos-db v1.0.0/go.mod h1:iBvi1TtqaedwLdcrZVYRSSCb6eSy61NLj4UNmdIgs0U=
 github.com/cosmos/cosmos-proto v1.0.0-beta.3 h1:VitvZ1lPORTVxkmF2fAp3IiA61xVwArQYKXTdEcpW6o=
 github.com/cosmos/cosmos-proto v1.0.0-beta.3/go.mod h1:t8IASdLaAq+bbHbjq4p960BvcTqtwuAxid3b/2rOD6I=
-github.com/cosmos/cosmos-sdk v0.46.0-beta2.0.20230614103911-b3da8bb4e801 h1:Qg0EgcEYtN0RWmxaFWTTCeMDfnbHB6UEzHucafy14i8=
-github.com/cosmos/cosmos-sdk v0.46.0-beta2.0.20230614103911-b3da8bb4e801/go.mod h1:VwFzgpv4z/Mrx+0sQpWwURCHx4h/iAalMdKIe3VEyBw=
+github.com/cosmos/cosmos-sdk v0.50.0-alpha.0 h1:FebMgUdZtIkPziTvxKI1mLnjiaJ+9e/aU4IvLutG0Dg=
+github.com/cosmos/cosmos-sdk v0.50.0-alpha.0/go.mod h1:H194vsGW6Qo0RVp5inetgU31+s2rk7RKgeztTnxChgM=
 github.com/cosmos/go-bip39 v1.0.0 h1:pcomnQdrdH22njcAatO0yWojsUnCO3y2tNoV1cb6hHY=
 github.com/cosmos/go-bip39 v1.0.0/go.mod h1:RNJv0H/pOIVgxw6KS7QeX2a0Uo0aKUlfhZ4xuwvCdJw=
 github.com/cosmos/gogogateway v1.2.0 h1:Ae/OivNhp8DqBi/sh2A8a1D0y638GpL3tkmLQAiKxTE=