Bump CAPX to v1.2.3

[abhay-krishna]

Bumping cluster-api-provider-nutanix to the latest release. Our patch was part of the v1.2.2 release, so it can be removed.

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[abhinavmpandey08]

/lgtm
/approve
/woof

[eks-distro-bot]

@abhinavmpandey08:

In response to this:

/lgtm
/approve
/woof

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[eks-distro-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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[abhay-krishna]

/cherrypick release-0.17

[eks-distro-pr-bot]

@abhay-krishna: new pull request created: #2322

In response to this:

/cherrypick release-0.17

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