upgrade CAP to 2.5.1

Author: yang-xiaodong

samples/InMemorySample/InMemorySample.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="DotNetCore.CAP.InMemoryStorage" Version="2.5.0-preview-69219007" />
+    <PackageReference Include="DotNetCore.CAP.InMemoryStorage" Version="2.5.1" />
     <PackageReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" PrivateAssets="All" />
   </ItemGroup>

src/Savorboard.CAP.InMemoryMessageQueue/Savorboard.CAP.InMemoryMessageQueue.csproj

@@ -10,8 +10,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="DotNetCore.CAP" Version="2.4.2" />
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta-63127-02" PrivateAssets="All"/>
+    <PackageReference Include="DotNetCore.CAP" Version="2.5.1" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-19351-01" PrivateAssets="All" />
   </ItemGroup>
 
   <PropertyGroup Label="Package">