chore: use current year in copyright (#399)

Author: Meir017

src/FluentAssertions.Analyzers/FluentAssertions.Analyzers.csproj

@@ -16,7 +16,7 @@
     <PackageId>FluentAssertions.Analyzers</PackageId>
     <Version>0.17.3</Version>
     <Authors>Meir Blachman</Authors>
-    <Copyright>Copyright Meir Blachman 2017-2023</Copyright>
+    <Copyright>Copyright Meir Blachman 2017-$([System.DateTime]::Now.ToString('yyyy'))</Copyright>
 
     <Description>Analyzers to help writing fluentassertions the right way.</Description>
     <PackageTags>FluentAssertions Analyzers</PackageTags>