Fixing bug in mongodb templates

[twerthi]

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Background

The latest version of the PowerShell module this template uses requires PowerShell version 7. I've added a check to see if the version is less than 7, then download the version before the requirement was made. This allows older PowerShell workers to continue to work and newer version of PowerShell to work as well.

Results

It will no longer error stating the PowerShell requirements.

Before

The Step Template would fail when trying to import the module for use on clients where PowerShell 5 was the default PowerShell version.

After

It will no longer fail and download the version appropriate to the version of PowerShell being used.

Pre-requisites

• Id should be a GUID that is not 00000000-0000-0000-0000-000000000000
  • NOTE If you are modifying an existing step template, please make sure that you do not modify the Id property (updating the Id will break the Library sync functionality in Octopus).
• Version should be incremented, otherwise the integration with Octopus won't update the step template correctly
• Parameter names should not start with $
• Step template parameter names (the ones declared in the JSON, not the script body) should be prefixed with a namespace so that they are less likely to clash with other user-defined variables in Octopus (see this issue). For example, use an abbreviated name of the step template or the category of the step template).
• LastModifiedBy field must be present, and (optionally) updated with the correct author
• The best practices documented here have been applied
• If a new Category has been created:
  • An image with the name {categoryname}.png must be present under the step-templates/logos folder
  • The switch in the humanize function in gulpfile.babel.js must have a case statement corresponding to it

Fixes # . If there is an open issue that this PR fixes add it here, otherwise just remove this line

[github-actions]

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