Bump verison to 1.8.0 for Release

With the update to how LinkedCels no longer throw an exception, this provides a backwards compatible feature, so minor version bump

Author: AristurtleDev

Directory.Build.props

@@ -20,7 +20,7 @@
         <NeutralLanguage>en</NeutralLanguage>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
-        <Version>1.7.5</Version>
+        <Version>1.8.0</Version>
     </PropertyGroup>
 
     <!-- Setup Code Analysis using the .editorconfig file -->