🩹 [Patch]: Add support for array input for `New-DynamicParam`

[MariusStorhaug]

Describe the change

Add support for array input for New-DynamicParam

Context 'Integration - Pipelined construction - more pipeline' {
    BeforeAll {
        filter Test-DynParam {
            <#
                .SYNOPSIS
                This is a test of dynamic parameters.
            #>
            [CmdletBinding()]
            param (
                [Parameter()]
                [ValidateSet('A', 'B', 'C')]
                [string]$Param1
            )

            dynamicparam {
                $params = @(
                    @{
                        Name        = 'Variable'
                        Type        = [string]
                        ValidateSet = Get-Variable | Select-Object -ExpandProperty Name
                    },
                    @{
                        Name        = 'EnvironmentVariable'
                        Type        = [string]
                        ValidateSet = Get-ChildItem -Path env: | Select-Object -ExpandProperty Name
                    }
                )
                $params | New-DynamicParam | New-DynamicParamDictionary
            }

            process {
                $Variable = $PSBoundParameters['Variable']
                $EnvironmentVariable = $PSBoundParameters['EnvironmentVariable']

                Write-Verbose "Variable:            $Variable"
                Write-Verbose "EnvironmentVariable: $EnvironmentVariable"
            }
        }
    }

    It 'Test-DynParam should not throw an exception' {
        { Test-DynParam -Variable HOME -EnvironmentVariable RUNNER_OS -Verbose } | Should -Not -Throw
    }
}