fix: add disconnect vCenter Server prior to host restart

[garlicNova]

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Summary of Pull Request

Fix add a disconnect from vCenter Server prior to ESXi host reboot.

Type of Pull Request

• This is a bug fix.
• This is an enhancement or feature.
• This is a code style / formatting update.
• This is a documentation update.
• This is a refactoring update.
• This is a chore update
• This is something else.
  Please describe:

Related to Existing Issues

Closes #22

Test and Documentation Coverage

• Tests have been completed (for bug fixes / features).
• Documentation has been added / updated (for bug fixes / features).

Breaking Changes?

• Yes, there are breaking changes.
• No, there are no breaking changes.

[bhumitra]

@garlicNova Please address the comments.
Also update the change log and the build number in the psd file.

[tenthirtyam]

Also update the change log and the build number in the psd file.

Examples:

Increment the version to v1.1.0 and the first build. Result: 1.1.0.1000.

    # Version number of this module.
    ModuleVersion = '1.1.0.1000'

# Release History

## v1.1.0 (Not Released)

Bugfix:

- Added a disconnect from vCenter Server prior toan ESXi host reboot`. [GH-36](https://github.com/vmware/powershell-module-for-vmware-cloud-foundation-certificate-management/pull/36)

## [v1.0.0](https://github.com/vmware/powershell-module-for-vmware-cloud-foundation-certificate-management/releases/tag/v1.0.0)

> Release Date: 2023-05-30

Initial availability of the PowerShell module for VMware Cloud Foundation Certificate Management.

[tenthirtyam]

See #36 (comment)

[garlicNova]

all comments addressed

[tenthirtyam]

@garlicNova Please see the version in the comment above. It should 1.1.0 in the CHANGELOG.md and 1.1.0.1000 in the .psd1.

[tenthirtyam]

LGTM! 🚀

Comments addressed.

[github-actions]

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