feat: add phase PostClusterInstall

[will4j]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Support run scripts after k8s cluster installed and before AddonsModule

Below example change node taints so addons can be scheduled to control plane:

spec:
  system:
    postClusterInstall:
      - name: change taints config of control planes
        role: controller
        bash: |
          /bin/bash -x taint_control_plane.sh
        materials:
          - ./scripts/taint_control_plane.sh

Which issue(s) this PR fixes:

Fixes #

Special notes for reviewers:

Does this PR introduced a user-facing change?

Support postClusterInstall custom scripts after cluster installation and before AddonsModule run.

Additional documentation, usage docs, etc.:

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[will4j]

/assign @pixiake

[pixiake]

@will4j Thanks for this contributions ! /lgtm /approve

[ks-ci-bot]

LGTM label has been added.

Git tree hash: f6741f394360857b3e7379af1b6f42060b674e76

[ks-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pixiake, will4j

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