SqlServerDsc: Fix documentation

[johlju]

Pull Request (PR) description

• Assert-BoundParameter
  • Fixed example in documentation that were referencing an invalid command name.

This Pull Request (PR) fixes the following issues

Task list

• [x] Added an entry to the change log under the Unreleased section of the file CHANGELOG.md. Entry should say what was changed and how that affects users (if applicable), and reference the issue being resolved (if applicable).
• [x] Documentation added/updated in README.md.
• [ ] Comment-based help added/updated for all new/changed functions.
• [ ] Localization strings added/updated in all localization files as appropriate.
• [ ] Examples appropriately added/updated.
• [ ] Unit tests added/updated. See DSC Community Testing Guidelines.
• [ ] Integration tests added/updated (where possible). See DSC Community Testing Guidelines.
• [ ] New/changed code adheres to DSC Community Style Guidelines.

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This change is 

[codecov[bot]]

Codecov Report

Merging #107 (239e327) into main (9d4c630) will not change coverage. The diff coverage is n/a.

@@         Coverage Diff         @@
##           main   #107   +/-   ##
===================================
  Coverage    92%    92%           
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  Files        37     37           
  Lines       645    645           
===================================
  Hits        594    594           
  Misses       51     51