bump to 1.0.4 (#77)

* update to 1.0.4

* fix sourcelink etc.

BitFaster.Caching/BitFaster.Caching.csproj

@@ -8,8 +8,8 @@
     <Description>High performance, thread-safe in-memory caching primitives for .NET.</Description>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>1.0.3</Version>
-    <Copyright>Copyright © Alex Peck 2020</Copyright>
+    <Version>1.0.4</Version>
+    <Copyright>Copyright © Alex Peck 2021</Copyright>
     <PackageProjectUrl></PackageProjectUrl>
     <RepositoryUrl>https://github.com/bitfaster/BitFaster.Caching</RepositoryUrl>
     <PackageTags>Cache;LRU;Performance;In-Memory;Thread-Safe;Concurrent</PackageTags>
@@ -18,8 +18,9 @@
     <RootNamespace>BitFaster.Caching</RootNamespace>
     <IncludeSource>True</IncludeSource>
     <IncludeSymbols>True</IncludeSymbols>
-    <AssemblyVersion>1.0.3.0</AssemblyVersion>
-    <FileVersion>1.0.3.0</FileVersion>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    <AssemblyVersion>1.0.4.0</AssemblyVersion>
+    <FileVersion>1.0.4.0</FileVersion>
   </PropertyGroup>
 
   <ItemGroup>
@@ -29,4 +30,8 @@
     </None>
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All"/>
+  </ItemGroup>
+
 </Project>