Integration karmadactl register to ci for registering PULL mode clusters

[zhzhuang-zju]

What would you like to be added:
In release1.12, we have overhauled the karmadactl register command to minimize the permissions required for Pull mode clusters to access Karmada control plane resources. To support this feature and test it within CI, I aim to integrate karmadactl register into our CI pipeline, replacing the deploy-karmada-agent.sh.

Prerequisites:

• remove the unnecessary file localization steps when karmadactl register. (@zhzhuang-zju remove the unnecessary file localization steps when karmadactl register #5862)

Based on the installation method, they can be divided into:

• karmadactl init
• Integration karmadactl register to ci CLI for registering PULL mode clusters (@SkySingh04)
• helm
• Integration karmadactl register to ci Chart for registering PULL mode clusters (@SkySingh04)
• operator
• Support Karmada installed by karmada-operator to use karmadactl register (@zhzhuang-zju Support Karmada installed by operator to use karmadactl register #5755)
• Integration karmadactl register to ci Operator for registering PULL mode clusters
• local-up
• Integration karmadactl register to ci CI Workflow for registering PULL mode clusters (@zhzhuang-zju local up: use karmadactl register to register pull mode cluster #5763)

Extra：

• remove deploy-karmada-agent.sh as it amplifies the Pull mode cluster's permission to access control plane resources.
• remove deploy-agent-and-estimater.sh

Why is this needed:

[SkySingh04]

Hey @zhzhuang-zju , is this issue available to be taken up? Would love to work on this!

[zhzhuang-zju]

@SkySingh04 Of course, you can choose the tasks you're interested in and I'll assign them to you. However, these tasks may require pre-work #5862 to be merged in first before they can be carried out

[SkySingh04]

Hey there! Now that #5862 is now merged, I would love to work on

• Integration karmadactl register to ci CLI for registering PULL mode clusters and
• Integration karmadactl register to ci Chart for registering PULL mode clusters