try and hard lock rex-powershell version

remove this later when the issues with this gem release are addressed

Author: David Maloney

Gemfile.lock

@@ -58,7 +58,7 @@ PATH
       rex-mime
       rex-nop
       rex-ole
-      rex-powershell
+      rex-powershell (< 0.1.73)
       rex-random_identifier
       rex-registry
       rex-rop_builder

metasploit-framework.gemspec

@@ -136,7 +136,7 @@ Gem::Specification.new do |spec|
   # Library for Generating Randomized strings valid as Identifiers such as variable names
   spec.add_runtime_dependency 'rex-random_identifier'
   # library for creating Powershell scripts for exploitation purposes
-  spec.add_runtime_dependency 'rex-powershell'
+  spec.add_runtime_dependency 'rex-powershell', ["< 0.1.73"]
   # Library for processing and creating Zip compatbile archives
   spec.add_runtime_dependency 'rex-zip'
   # Library for parsing offline Windows Registry files