feat: CAPI 1.8 + project support

[hrak]

Issue #, if available:

Description of changes:

This PR introduces Cluster-API 1.8 and CloudStack project support.

🚀 Features

• Feat: Bump CAPI to v1.8.2
• Feat: Update config for Kustomize v5
• Feat: add support for CloudStack projects

🐛 Bug Fixes

• Fix: Use Go 1.22
• Fix(ci): Update golangci-lint cfg
• Fix(ci): run checkout before installing Go
• Fix(ci): remove lint from build target
• Fix(ci): sync golangci-lint config with upstream CAPI, fix issues
• Fix(ci): remove toolchain from go.mod files
• Fix: fix kustomize field replacements
• Fix: update healh check endpoint port
• Fix: clean up manager config
• Fix: Allow normal ACS user to create a cluster

Upstream PR kubernetes-sigs#357

⚙️ Miscellaneous Tasks

• Chore: replace deprecated k8s.io/utils/pointer with k8s.io/utils/ptr
• Chore(deps): Bump CAPI to v1.8.4 + update ttlcache

Testing performed:

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