PCP-3571 EKS Security Group tag updation from AWSManagedControlPlane

[vishu2498]

What type of PR is this?

/kind feature
/kind bug

What this PR does / why we need it:

This PR implements the functionality of having the same tags everywhere in EKS cluster which are provided in spec.additionalTags section of AWSManagedControlPlane to the default cluster security group of EKS created by AWS.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):

For this bug: https://spectrocloud.atlassian.net/browse/PCP-3571

[spectro-prow]

@vishu2498: The label(s) kind/feature, kind/bug cannot be applied, because the repository doesn't have them

In response to this:

What type of PR is this?

/kind feature
/kind bug

What this PR does / why we need it:

This PR implements the functionality of having the same tags everywhere in EKS cluster which are provided in spec.additionalTags section of AWSManagedControlPlane to the default cluster security group of EKS created by AWS.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):

For this bug: https://spectrocloud.atlassian.net/browse/PCP-3571

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[spectro-prow]

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