PSAvoidUsingCmdletAliases triggers on GherkinStep

Gherkin (including in Pester) has a few aliases which you are meant to use when creating steps.

Alias           And -> GherkinStep                                 4.2.0      Pester
Alias           But -> GherkinStep                                 4.2.0      Pester
Alias           Given -> GherkinStep                               4.2.0      Pester
Alias           Then -> GherkinStep                                4.2.0      Pester
Alias           When -> GherkinStep                                4.2.0      Pester

These are valid uses of the alias and shouldn't trigger analyzer warnings.

Steps to reproduce

Create a Gherkin (Pester) step file like Blah.Steps.ps1

Given "something" {
}

Then Invoke-ScriptAnalyzer Blah.Steps.ps1

Expected behavior

No issues.

Actual behavior

RuleName                            Severity     ScriptName Line  Message
--------                            --------     ---------- ----  -------
PSAvoidUsingCmdletAliases           Warning      Blah.Steps 1     'Given' is an alias of 'GherkinStep'. Alias can introduce
                                                 .ps1             possible problems and make scripts hard to maintain. Please
                                                                  consider changing alias to its full content.

Environment data

Name                           Value
----                           -----
PSVersion                      5.1.14393.1944
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.14393.1944
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1

1.16.1

透過執行 Invoke-ScriptAnalyzer，使用 Blah.Steps.ps1 範例重現警告，重點關注 PSAvoidUsingCmdletAliases 和 GherkinStep 別名。完成的標準是：將 Given、And、But、When 和 Then 作為 Pester Gherkin 步驟使用時不會產生任何分析器問題，而一般別名仍然受該規則涵蓋。