fix(x/authz,x/feegrant): check blocked address (backport #20102)

[mergify]

Description

I'll update the changelog in a bit (do not merge before that)
Follow-up of GHSA-4j93-fm92-rp4m

Main is not affected thanks to #19188

---

Author Checklist

All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.

I have...

• included the correct type prefix in the PR title
• confirmed ! in the type prefix if API or client breaking change
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• reviewed "Files changed" and left comments if necessary
• 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

Reviewers Checklist

All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed the correct type prefix in the PR title
• confirmed all author checklist items have been addressed
• reviewed state machine logic, API design and naming, documentation is accurate, tests and test coverage

---

This is an automatic backport of pull request #20102 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of fcb9d84 has failed:

On branch mergify/bp/release/v0.47.x/pr-20102
Your branch is up to date with 'origin/release/v0.47.x'.

You are currently cherry-picking commit fcb9d84ed.
  (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:   x/authz/keeper/msg_server.go
	modified:   x/authz/testutil/expected_keepers_mocks.go
	modified:   x/feegrant/testutil/expected_keepers_mocks.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   x/authz/expected_keepers.go
	both modified:   x/authz/keeper/keeper.go
	both modified:   x/authz/keeper/keeper_test.go
	both modified:   x/authz/module/module.go
	both modified:   x/feegrant/expected_keepers.go
	both modified:   x/feegrant/keeper/keeper.go
	both modified:   x/feegrant/keeper/keeper_test.go
	both modified:   x/feegrant/module/module.go

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

[julienrbrt]

I'll be fixing the conflicts here and updating the release notes + release date