Bump Apache.Qpid.Proton.Client from 1.0.0-M11 to 1.0.0-M9

Bumps [Apache.Qpid.Proton.Client](https://github.com/apache/qpid-proton-dotnet) from 1.0.0-M11 to 1.0.0-M9.
- [Commits](apache/qpid-proton-dotnet@1.0.0-M11...1.0.0-M9)

---
updated-dependencies:
- dependency-name: Apache.Qpid.Proton.Client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

src/ClientLib/ClientLib.csproj

@@ -31,7 +31,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="Apache.Qpid.Proton.Client" Version="1.0.0-M11" />
+    <PackageReference Include="Apache.Qpid.Proton.Client" Version="1.0.0-M9" />
   </ItemGroup>
 
   <Target Name="PostClean" AfterTargets="Clean">

src/Connector/Connector.csproj

@@ -36,7 +36,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Apache.Qpid.Proton.Client" Version="1.0.0-M11" />
+    <PackageReference Include="Apache.Qpid.Proton.Client" Version="1.0.0-M9" />
   </ItemGroup>
 
   <Target Name="PostClean" AfterTargets="Clean">

src/Receiver/Receiver.csproj

@@ -37,7 +37,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="Apache.Qpid.Proton.Client" Version="1.0.0-M11" />
+    <PackageReference Include="Apache.Qpid.Proton.Client" Version="1.0.0-M9" />
   </ItemGroup>
 
   <Target Name="PostClean" AfterTargets="Clean">

src/Sender/Sender.csproj

@@ -37,7 +37,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="Apache.Qpid.Proton.Client" Version="1.0.0-M11" />
+    <PackageReference Include="Apache.Qpid.Proton.Client" Version="1.0.0-M9" />
   </ItemGroup>
 
   <Target Name="PostClean" AfterTargets="Clean">