PSUseSingularNouns Rule doesn't work in PowerShell Core but does in PowerShell #1626

dpaul :: ~ » Invoke-ScriptAnalyzer -ScriptDefinition 'function Get-AllNics () { }'
dpaul :: ~ » Get-Module -Name PSScriptAnalyzer

ModuleType Version    PreRelease Name                                ExportedCommands
---------- -------    ---------- ----                                ----------------
Script     1.19.1                PSScriptAnalyzer                    {Get-ScriptAnalyzerRule, Invoke-Formatter, Invoke-ScriptAnalyzer}

dpaul :: ~ » $PSversionTable.PSVersion

Major  Minor  Patch  PreReleaseLabel BuildLabel
-----  -----  -----  --------------- ----------
7      1      1

dpaul :: ~ »

PS C:\Windows\system32>  Invoke-ScriptAnalyzer -ScriptDefinition 'function Get-AllNics () { }'

RuleName                            Severity     ScriptName Line  Message
--------                            --------     ---------- ----  -------
PSUseSingularNouns                  Warning                 1     The cmdlet 'Get-AllNics' uses a plural noun. A singular
                                                                  noun should be used instead.


PS C:\Windows\system32> Get-Module -Name PSScriptAnalyzer

ModuleType Version    Name                                ExportedCommands
---------- -------    ----                                ----------------
Script     1.19.1     PSScriptAnalyzer                    {Get-ScriptAnalyzerRule, Invoke-Formatter, Invoke-ScriptAnalyzer}


PS C:\Windows\system32> $PSversionTable.PSVersion

Major  Minor  Build  Revision
-----  -----  -----  --------
5      1      19041  610


PS C:\Windows\system32>

dpaul :: ~ » $PSversionTable

Name                           Value
----                           -----
PSVersion                      7.1.1
PSEdition                      Core
GitCommitId                    7.1.1
OS                             Microsoft Windows 10.0.19042
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

> (Get-Module -ListAvailable PSScriptAnalyzer).Version | ForEach-Object { $_.ToString() }
1.19.1
1.19.1
dpaul :: ~ » Get-Module -ListAvailable PSScriptAnalyzer

    Directory: C:\Users\dpaul\Documents\PowerShell\Modules

ModuleType Version    PreRelease Name                                PSEdition ExportedCommands
---------- -------    ---------- ----                                --------- ----------------
Script     1.19.1                PSScriptAnalyzer                    Desk      {Get-ScriptAnalyzerRule, Invoke-ScriptAnalyzer, Invoke-Formatter}

    Directory: C:\Program Files\WindowsPowerShell\Modules

ModuleType Version    PreRelease Name                                PSEdition ExportedCommands
---------- -------    ---------- ----                                --------- ----------------
Script     1.19.1                PSScriptAnalyzer                    Desk      {Get-ScriptAnalyzerRule, Invoke-ScriptAnalyzer, Invoke-Formatter}

PS C:\Windows\system32>  (Get-Module -ListAvailable PSScriptAnalyzer).Version | ForEach-Object { $_.ToString() }
1.19.1
PS C:\Windows\system32> $PSversionTable

Name                           Value
----                           -----
PSVersion                      5.1.19041.610
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.19041.610
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1