refactor: remove invariants (backport #22994)

[mergify]

Description

Closes: #22993

• remove from modules
• deprecate Invariant and InvariantRegistry types and associated methods (can be removed in future)

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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

• confirmed all CI checks have passed

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Summary by CodeRabbit

• New Features

  • Added support for simulating nested messages.
  • Introduced functionality for importing hex keys via standard input.
  • Enhanced version command to return v2 server information.

• Improvements

  • Upgraded RocksDB libraries.
  • Simplified testing frameworks.

• Bug Fixes

  • Disabled async pruning in the prune command.
  • Improved error handling for out-of-gas panics in gRPC query handlers.

• Deprecations

  • Marked several types and methods related to invariants as deprecated, including Invariant, Invariants, and InvariantRegistry.

• Tests

  • Removed tests related to invariant registration and improved overall test coverage for module interactions.

---

This is an automatic backport of pull request #22994 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of 71ddfbd has failed:

On branch mergify/bp/release/v0.52.x/pr-22994
Your branch is up to date with 'origin/release/v0.52.x'.

You are currently cherry-picking commit 71ddfbddb.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   docs/build/building-modules/11-structure.md
	modified:   types/invariant.go
	modified:   types/module/mock_appmodule_test.go
	modified:   types/module/module.go
	modified:   types/module/module_test.go
	deleted:    x/bank/keeper/invariants.go
	modified:   x/bank/module.go
	modified:   x/distribution/module.go
	deleted:    x/gov/keeper/invariants.go
	modified:   x/gov/module.go
	deleted:    x/group/keeper/invariants.go
	deleted:    x/group/keeper/invariants_test.go
	modified:   x/group/module/module.go
	deleted:    x/staking/keeper/invariants.go
	modified:   x/staking/module.go

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	both modified:   CHANGELOG.md
	both modified:   testutil/mock/types_mock_appmodule.go
	deleted by them: x/distribution/keeper/invariants.go
	both modified:   x/group/go.mod

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[tac0turtle]

@aljo242 could you handle the conflicts here?