Fix PendingReboot Localized Data issue - Fixes #350

[PlagueHO]

Pull Request (PR) description

This PR corrects Pending Reboot to use Get-LocalizedData to read data so that it will work on non en-US OS.

This Pull Request (PR) fixes the following issues

• Fixes #350

Task list

• [x] Added an entry under the Unreleased section of the change log in the CHANGELOG.md. Entry should say what was changed, and how that affects users (if applicable).
• [ ] Resource documentation added/updated in README.md in resource folder.
• [ ] Resource parameter descriptions added/updated in schema.mof and comment-based help.
• [ ] Comment-based help added/updated.
• [ ] Localization strings added/updated in all localization files as appropriate.
• [ ] Examples appropriately added/updated.
• [ ] Unit tests added/updated. See DSC Resource Testing Guidelines.
• [ ] Integration tests added/updated (where possible). See DSC Resource Testing Guidelines.
• [ ] New/changed code adheres to DSC Resource Style Guidelines and Best Practices.

@johlju - would you mind reviewing this one for me?

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This change is 

[johlju]

Closing and reopening to kick off tests.

[PlagueHO]

@johlju - not sure why the ScheduledTask integration tests are failing on WS2019. I'll have to do some investigation into this. Will leave this open and raise another issue.

[PlagueHO]

/AzurePipelines run

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).

[PlagueHO]

@johlju - this is now fixed so can be reviewed.