ci: bump go to 1.22

[julienrbrt]

Description

Bump CI to use Go 1.22, and simapp to use Go 1.22. However, as the sdk is a library, and we don't have Go 1.22 specific features we want to use, we keep our minimum Go version to Go 1.21.

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• [ ] included the necessary unit and integration tests
• [ ] added a changelog entry to CHANGELOG.md
• [ ] updated the relevant documentation or specification, including comments for documenting Go code
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Summary by CodeRabbit

• Chores
  • Enhanced performance and compatibility by updating Go version from 1.21 to 1.22 in workflow configurations, go.mod files, and Dockerfiles.
  • Aligned toolchain declarations in go.mod files and Dockerfiles with the new Go version for an improved development experience.
  • Matched the new Go version by updating base images in Dockerfiles from golang:1.21-alpine to golang:1.22-alpine.

[coderabbitai[bot]]

Walkthrough

The recent updates involve upgrading the Go version from 1.21 to 1.22 across various components of the project, including simapp, test configurations, Dockerfiles, and go.work.example. These changes ensure compatibility with Go 1.22 and incorporate new features and improvements.

Changes

Files	Change Summary
simapp/go.mod, tests/go.mod, tests/starship/tests/go.mod	Updated Go version to 1.22 and added toolchain declarations for go1.22.0
Dockerfile, contrib/devtools/Dockerfile, contrib/images/simd-dlv/Dockerfile, contrib/images/simd-env/Dockerfile	Changed base image to golang:1.22-alpine
go.work.example	Updated Go version and toolchain version
flake.lock	Updated nixpkgs dependency with timestamp, narHash, and rev changes

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[testinginprod]

I say we wait a little bit before merging since it's not been updated everywhere (eg: homebrew)

[julienrbrt]

I say we wait a little bit before merging since it's not been updated everywhere (eg: homebrew)

Makes sense. It isn't updated on nixpkgs either, so ci won't let it go through.

[julienrbrt]

We just now need to wait until homebrew bumps Go and nixpkgs as well: https://github.com/Homebrew/homebrew-core/pull/157782, then let's merge.

[julienrbrt]

@yihuang any help here with nix: https://github.com/cosmos/cosmos-sdk/actions/runs/7976846552/job/21778336332?pr=19396 I don't understand what's wrong 🥲

[yihuang]

@yihuang any help here with nix: https://github.com/cosmos/cosmos-sdk/actions/runs/7976846552/job/21778336332?pr=19396 I don't understand what's wrong 🥲

it says, error: go.mod specified Go version 1.22, but no compatible Go attribute could be found., which means it can't find go_1_22 in current nixpkgs, we need to pin to a later nixpkgs version which has go 1.22 packaged. currently, we use the master branch which is the most up-to-date branch, but we need to update the commit rev in the flake.lock file, you can do this by running:

nix flake update nixpkgs