Update Statiq versions.

Author: bjorkstromm

docs/.gitignore

@@ -1,2 +1,3 @@
 output/
 .vs/
+cache/

docs/docs.csproj

@@ -12,13 +12,13 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Statiq.CodeAnalysis" Version="1.0.0-beta.41" />
-    <!--<PackageReference Include="Statiq.Docs" Version="1.0.0-alpha.1" />-->
-    <PackageReference Include="Statiq.Web" Version="1.0.0-beta.27" />
+    <PackageReference Include="Statiq.CodeAnalysis" Version="1.0.0-beta.42" />
+    <PackageReference Include="Statiq.Docs" Version="1.0.0-alpha.2" />
+    <PackageReference Include="Statiq.Web" Version="1.0.0-beta.28" />
   </ItemGroup>
 
-    <ItemGroup>
+    <!-- <ItemGroup>
         <ProjectReference Include="../../Statiq.Docs\src\Statiq.Docs\Statiq.Docs.csproj" />
-    </ItemGroup>
+    </ItemGroup> -->
 
 </Project>