[8.x](backport #43280) bk(packaging): use arm64 for darwin/arm64

[mergify]

Proposed commit message

Golang Crossbuild:

• for arm64 let's use the aarch64 host
• for amd64 let's use the amd64 host

We changed partially for aarch64, but darwin/arm64 was not changed.

Uses elastic/golang-crossbuild#533 and elastic/golang-crossbuild#559 (1.24.0)

Checklist

• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files
• I have added tests that prove my fix is effective or that my feature works
• I have added an entry in CHANGELOG.next.asciidoc or CHANGELOG-developer.next.asciidoc.

Disruptive User Impact

Author's Checklist

• [ ]

How to test this PR locally

In the CI:

• https://buildkite.com/elastic/beats-packaging-pipeline/builds/2867

See #43145

Related issues

Requires elastic/golang-crossbuild#533

Use cases

Screenshots

Logs

---

This is an automatic backport of pull request #43280 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of f2a3902 has failed:

On branch mergify/bp/8.x/pr-43280
Your branch is up to date with 'origin/8.x'.

You are currently cherry-picking commit f2a390242.
  (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:   .buildkite/packaging.pipeline.yml

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   .buildkite/auditbeat/auditbeat-pipeline.yml
	both modified:   .buildkite/filebeat/filebeat-pipeline.yml
	both modified:   .buildkite/heartbeat/heartbeat-pipeline.yml
	both modified:   .buildkite/metricbeat/pipeline.yml
	both modified:   .buildkite/packetbeat/pipeline.packetbeat.yml
	both modified:   .buildkite/winlogbeat/pipeline.winlogbeat.yml
	both modified:   .buildkite/x-pack/pipeline.xpack.agentbeat.yml
	both modified:   .buildkite/x-pack/pipeline.xpack.auditbeat.yml
	both modified:   .buildkite/x-pack/pipeline.xpack.dockerlogbeat.yml
	both modified:   .buildkite/x-pack/pipeline.xpack.filebeat.yml
	both modified:   .buildkite/x-pack/pipeline.xpack.heartbeat.yml
	both modified:   .buildkite/x-pack/pipeline.xpack.metricbeat.yml
	both modified:   .buildkite/x-pack/pipeline.xpack.osquerybeat.yml
	both modified:   .buildkite/x-pack/pipeline.xpack.packetbeat.yml
	both modified:   .buildkite/x-pack/pipeline.xpack.winlogbeat.yml

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

[botelastic]

This pull request doesn't have a Team:<team> label.

[v1v]

Requires #43245

[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b mergify/bp/8.x/pr-43280 upstream/mergify/bp/8.x/pr-43280
git merge upstream/8.x
git push upstream mergify/bp/8.x/pr-43280