feat: add non-disruptive esxi cert replacement (#121)

Adds support to `Install-VcfCertificate` for non-disruptive ESXi certificate replacement.  

Signed-off-by: Kevin Teng <kevin.teng@broadcom.com>

Author: Kevin Teng

CHANGELOG.md

@@ -7,6 +7,8 @@
 Enhancement:
 
 - Added Pester tests for certificate management. [GH-119](https://github.com/vmware/powershell-module-for-vmware-cloud-foundation-certificate-management/pull/119)
+- Add support for non-disruptive ESXi certificate replacement in VMware Cloud Foundation 5.2 to `Install-VCFCertificate` function. [GH-123](https://github.com/vmware/powershell-module-for-vmware-cloud-foundation-certificate-management/pull/123)
+- Add support for uploading the private key for non-disruptive ESXi certificate replacement in VMware Cloud Foundation 5.2 to `Install-VCFCertificate` function. [GH-123](https://github.com/vmware/powershell-module-for-vmware-cloud-foundation-certificate-management/pull/123)
 
 Chore: