build(deps): Bump github.com/cosmos/cosmos-proto in /x/tx

Bumps [github.com/cosmos/cosmos-proto](https://github.com/cosmos/cosmos-proto) from 1.0.0-beta.4 to 1.0.0-beta.5.
- [Release notes](https://github.com/cosmos/cosmos-proto/releases)
- [Commits](cosmos/cosmos-proto@v1.0.0-beta.4...v1.0.0-beta.5)

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

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

x/tx/go.mod

@@ -7,7 +7,7 @@ require (
 	cosmossdk.io/core v0.11.0
 	cosmossdk.io/errors v1.0.1
 	cosmossdk.io/math v1.3.0
-	github.com/cosmos/cosmos-proto v1.0.0-beta.4
+	github.com/cosmos/cosmos-proto v1.0.0-beta.5
 	github.com/cosmos/gogoproto v1.4.12
 	github.com/google/go-cmp v0.6.0
 	github.com/google/gofuzz v1.2.0

x/tx/go.sum

@@ -6,8 +6,8 @@ cosmossdk.io/errors v1.0.1 h1:bzu+Kcr0kS/1DuPBtUFdWjzLqyUuCiyHjyJB6srBV/0=
 cosmossdk.io/errors v1.0.1/go.mod h1:MeelVSZThMi4bEakzhhhE/CKqVv3nOJDA25bIqRDu/U=
 cosmossdk.io/math v1.3.0 h1:RC+jryuKeytIiictDslBP9i1fhkVm6ZDmZEoNP316zE=
 cosmossdk.io/math v1.3.0/go.mod h1:vnRTxewy+M7BtXBNFybkuhSH4WfedVAAnERHgVFhp3k=
-github.com/cosmos/cosmos-proto v1.0.0-beta.4 h1:aEL7tU/rLOmxZQ9z4i7mzxcLbSCY48OdY7lIWTLG7oU=
-github.com/cosmos/cosmos-proto v1.0.0-beta.4/go.mod h1:oeB+FyVzG3XrQJbJng0EnV8Vljfk9XvTIpGILNU/9Co=
+github.com/cosmos/cosmos-proto v1.0.0-beta.5 h1:eNcayDLpip+zVLRLYafhzLvQlSmyab+RC5W7ZfmxJLA=
+github.com/cosmos/cosmos-proto v1.0.0-beta.5/go.mod h1:hQGLpiIUloJBMdQMMWb/4wRApmI9hjHH05nefC0Ojec=
 github.com/cosmos/gogoproto v1.4.12 h1:vB6Lbe/rtnYGjQuFxkPiPYiCybqFT8QvLipDZP8JpFE=
 github.com/cosmos/gogoproto v1.4.12/go.mod h1:LnZob1bXRdUoqMMtwYlcR3wjiElmlC+FkjaZRv1/eLY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=