Update nuspec versions for filesystem

Author: AdrianSoundy

nanoFramework.M5Core.nuspec

@@ -31,7 +31,7 @@
       <dependency id="nanoFramework.System.Device.Spi" version="1.3.52" />
       <dependency id="nanoFramework.System.Diagnostics.Stopwatch" version="1.2.670" />
       <dependency id="nanoFramework.System.IO.Ports" version="1.1.86" />
-      <dependency id="nanoFramework.System.IO.FileSystem" version="1.1.54" />
+      <dependency id="nanoFramework.System.IO.FileSystem" version="1.1.66" />
     </dependencies>
   </metadata>
   <files>

nanoFramework.M5Core2.nuspec

@@ -34,7 +34,7 @@
       <dependency id="nanoFramework.System.Diagnostics.Stopwatch" version="1.2.670" />
       <dependency id="nanoFramework.System.IO.Ports" version="1.1.86" />
       <dependency id="nanoFramework.System.Threading" version="1.1.32" />
-      <dependency id="nanoFramework.System.IO.FileSystem" version="1.1.54" />
+      <dependency id="nanoFramework.System.IO.FileSystem" version="1.1.66" />
     </dependencies>
   </metadata>
   <files>

nanoFramework.Tough.nuspec

@@ -29,7 +29,7 @@
       <dependency id="nanoFramework.System.Device.Spi" version="1.3.52" />
       <dependency id="nanoFramework.System.IO.Ports" version="1.1.86" />
       <dependency id="nanoFramework.System.Threading" version="1.1.32" />
-      <dependency id="nanoFramework.System.IO.FileSystem" version="1.1.54" />
+      <dependency id="nanoFramework.System.IO.FileSystem" version="1.1.66" />
     </dependencies>
   </metadata>
   <files>