Updating references

src/Unity.log4net.csproj

@@ -58,7 +58,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-19367-01">
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>

tests/log4net.Tests.csproj

@@ -32,7 +32,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="!Exists('$(UnityAbstractions)')">
-    <PackageReference Include="Unity.Abstractions" Version="$(UnityAbstractionsVersion)" />
+    <PackageReference Include="Unity.Abstractions" Version="5.11.1" />
   </ItemGroup>
 
   <ItemGroup Condition="!Exists('$(UnityContainer)')">