VM provisioning: re-enable cloud-init capabilities

[giorio94]

Description

This PR customizes the cloud-init configuration to re-enable different features removed for performance reasons, which are now required mostly for persistent VMs.

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also note any relevant details for your test configuration.

• Creating a new image with the provided configuration

[kingmakerbot]

Hi @giorio94. Thanks for your PR.

I am @kingmakerbot.
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• /deploy-staging: Deploy a staging environment to test this PR
• /undeploy-staging: Manually undeploy the staging environment

Make sure this PR appears in the CrownLabs changelog, adding one of the following labels:

• kind/breaking: 💥 Breaking Change
• kind/feature: 🚀 New Feature
• kind/bug: 🐛 Bug Fix
• kind/cleanup: 🧹 Code Refactoring
• kind/docs: 📝 Documentation

[giorio94]

/merge