update version to 1.2.1

Directory.Build.props

@@ -4,7 +4,7 @@
 
     <PropertyGroup Label="Package">
         <Product>NPOI</Product>
-        <Authors>dotnetcore;Savorboard</Authors>
+        <Authors>NCC;Savorboard</Authors>
         <RepositoryUrl>https://github.com/dotnetcore/NPOI</RepositoryUrl>
         <RepositoryType>git</RepositoryType>
         <RepositoryRoot>$(MSBuildThisFileDirectory)</RepositoryRoot>

build/version.props

@@ -2,7 +2,7 @@
 	<PropertyGroup>
 		<VersionMajor>1</VersionMajor>
 		<VersionMinor>2</VersionMinor>
-		<VersionPatch>0</VersionPatch>
+		<VersionPatch>1</VersionPatch>
 		<VersionQuality></VersionQuality>
 		<VersionPrefix>$(VersionMajor).$(VersionMinor).$(VersionPatch)</VersionPrefix>
 	</PropertyGroup>

src/NPOI.OOXML/NPOI.OOXML.csproj

@@ -3,7 +3,6 @@
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;net461</TargetFrameworks>
     <PackageId>DotNetCore.NPOI</PackageId>
-    <Version>1.2.1</Version>  
   </PropertyGroup>
 
   <ItemGroup>