Update PSRL version to 2.0.0 GA (#1187)

Author: rjmholt

modules.json

@@ -10,8 +10,7 @@
         "AllowPrerelease":false
     },
     "PSReadLine":{
-        "MinimumVersion":"2.0.0-rc1",
-        "MaximumVersion":"2.1",
+        "MinimumVersion":"2.0.0",
         "AllowPrerelease":true
     }
 }

src/PowerShellEditorServices/Services/PowerShellContext/Session/PSReadLinePromptContext.cs

@@ -33,8 +33,8 @@ internal class PSReadLinePromptContext : IPromptContext
             param()
             end {
                 $module = Get-Module -ListAvailable PSReadLine |
-                    Where-Object Version -eq '2.0.0' |
-                    Where-Object { $_.PrivateData.PSData.Prerelease -notin 'beta1','beta2','beta3' } |
+                    Where-Object Version -ge '2.0.0' |
+                    Where-Object { -not $_.PrivateData.PSData.Prerelease } |
                     Sort-Object -Descending Version |
                     Select-Object -First 1
                 if (-not $module) {