[8.15](backport #40536) [vSphere] Add new Cluster metricset

[mergify]

• Enhancement

Description

Added following new metrics for the datastore metricset in the vSphere metricbeat module. added new performance API to get more detailed info from the vSphere.

Metrics Type	Metrics	Field Mappings
Cluster Summry
	ClusterComputeResource.Host	cluster.host_names
	ClusterComputeResource.Datastore	cluster.datastore_names
	ClusterComputeResource.Network	cluster.network_names
	ClusterComputeResource.Configuration.DasConfig.Enabled	cluster.das_config.enabled
	ClusterComputeResource.Configuration.DasConfig.AdmissionControlEnabled	cluster.das_config.admission.control.enabled

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.

Related issues

• Relates https://github.com/elastic/obs-integration-team/issues/23

---

This is an automatic backport of pull request #40536 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of 1058457 has failed:

On branch mergify/bp/8.15/pr-40536
Your branch is up to date with 'origin/8.15'.

You are currently cherry-picking commit 1058457a28.
  (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:   CHANGELOG.next.asciidoc
	modified:   metricbeat/docs/fields.asciidoc
	new file:   metricbeat/docs/modules/vsphere/cluster.asciidoc
	modified:   metricbeat/include/list_common.go
	modified:   metricbeat/module/vsphere/_meta/README.md
	modified:   metricbeat/module/vsphere/_meta/config.yml
	new file:   metricbeat/module/vsphere/cluster/_meta/data.json
	new file:   metricbeat/module/vsphere/cluster/_meta/docs.asciidoc
	new file:   metricbeat/module/vsphere/cluster/_meta/fields.yml
	new file:   metricbeat/module/vsphere/cluster/cluster.go
	new file:   metricbeat/module/vsphere/cluster/cluster_test.go
	new file:   metricbeat/module/vsphere/cluster/data.go
	new file:   metricbeat/module/vsphere/cluster/data_test.go
	modified:   metricbeat/modules.d/vsphere.yml.disabled

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	both modified:   metricbeat/docs/modules/vsphere.asciidoc
	both modified:   metricbeat/docs/modules_list.asciidoc
	both modified:   metricbeat/metricbeat.reference.yml
	both modified:   metricbeat/module/vsphere/_meta/config.reference.yml
	both modified:   metricbeat/module/vsphere/_meta/docs.asciidoc
	both modified:   metricbeat/module/vsphere/datastore/_meta/data.json
	deleted by us:   metricbeat/module/vsphere/datastore/data.go
	deleted by us:   metricbeat/module/vsphere/datastore/data_test.go
	both modified:   metricbeat/module/vsphere/datastore/datastore.go
	both modified:   metricbeat/module/vsphere/datastore/datastore_test.go
	both modified:   metricbeat/module/vsphere/fields.go
	both modified:   x-pack/metricbeat/metricbeat.reference.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.

[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/8.15/pr-40536 upstream/mergify/bp/8.15/pr-40536
git merge upstream/8.15
git push upstream mergify/bp/8.15/pr-40536

[ishleenk17]

Closing in lieu of #40826