[2.10] vSphere Secrets Sync

[richard-cox]

Summary

Fixes #11892

Occurred changes and/or fixed issues

• Create a secret to sync to downstream vsphere cluster
• Reference secret in chart values

In Addition

• Update Add-on: tab titles

Areas or cases that should be tested

• Contact @richard-cox

Areas which could experience regressions

• Contact @richard-cox

Checklist

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