Bump Azure.Messaging.ServiceBus from 7.18.2 to 7.20.1

---
updated-dependencies:
- dependency-name: Azure.Messaging.ServiceBus
  dependency-version: 7.20.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Contacts.EventsProcessor/Contacts.EventsProcessor.csproj

@@ -7,7 +7,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Azure.Messaging.ServiceBus" Version="7.18.2" />
+        <PackageReference Include="Azure.Messaging.ServiceBus" Version="7.20.1" />
         <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.0" />
         <PackageReference Include="Microsoft.Azure.Cosmos" Version="3.45.2" />
     </ItemGroup>