Oracle Database support in Rubrik SDK for PowerShell

[jaapbrasser]

Description

@DamaniN requested support for Oracle DBs in the Rubrik PowerShell Module

Related Issue

#255

Motivation and Context

It add additional functionality

How Has This Been Tested?

Ran this against the TME Lab Cluster 5.0.0

Screenshots (if appropriate):

Types of changes

What types of changes does your code introduce? Put an x in all the boxes that apply:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

Go over all the following points, and put an x in all the boxes that apply. If you're unsure about any of these, don't hesitate to ask. We're here to help!

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTION document.
• I have updated the CHANGELOG file accordingly for the version that this merge modifies.
• I have added tests to cover my changes.
• All new and existing tests passed.

[jaapbrasser]

No review required as of yet, I put the PR up so @DamaniN can review the code and report his findings. Additional tests will be added as well

[mwpreston]

Everything working as expected.

Added a few commits around providing Oracle support in New-RubrikSnapshot along with associated tests.

[mwpreston]

resolved merge conflicts in changelog