Adding api builder for cloudstack machine templates and machine deployments

[maxdrib]

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Issue #, if available: https://github.com/aws/eks-anywhere/issues/2260

Description of changes: First PR of many covering changes required to support full lifecycle API controller. This moves the cloudstackmachinetemplate generation for control planes to use the apibuilder instead of templating.

Testing (if applicable):

• unit tests
• successfully ran 1.20->1.21 E2E test locally
• Successfully scaled cluster with changes from https://github.com/aws/eks-anywhere/pull/2938

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov[bot]]

Codecov Report

Merging #3386 (8dad5e1) into main (fef9c41) will decrease coverage by 0.05%. The diff coverage is 86.60%.

@@            Coverage Diff             @@
##             main    #3386      +/-   ##
==========================================
- Coverage   67.48%   67.43%   -0.06%     
==========================================
  Files         376      378       +2     
  Lines       30938    31066     +128     
==========================================
+ Hits        20880    20949      +69     
- Misses       8673     8730      +57     
- Partials     1385     1387       +2     

Impacted Files	Coverage Δ
pkg/providers/cloudstack/cloudstack.go	71.17% <58.33%> (-0.44%)	:arrow_down:
pkg/providers/cloudstack/apibuilder.go	100.00% <100.00%> (ø)
pkg/curatedpackages/reader.go	45.88% <0.00%> (-43.53%)	:arrow_down:
pkg/curatedpackages/curatedpackages.go	50.58% <0.00%> (-1.18%)	:arrow_down:
pkg/api/v1alpha1/cluster.go	73.26% <0.00%> (-0.39%)	:arrow_down:
controllers/resource/template.go	37.78% <0.00%> (-0.36%)	:arrow_down:
pkg/providers/vsphere/vsphere.go	63.16% <0.00%> (ø)
pkg/providers/vsphere/hook.go	0.00% <0.00%> (ø)
pkg/clustermanager/cluster_manager.go	67.21% <0.00%> (+0.27%)	:arrow_up:
... and 6 more

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[maxdrib]

/hold until CAPC v0.4.8 is released and built into EKS-A

[g-gaston]

/lgtm

[eks-distro-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vivek-koppuru

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