chore(deps): update dependency mongodb.driver to v2.22.0 (#1317)

Author: renovate-bot

dotnet/dotnet-guestbook/src/backend/backend.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MongoDB.Driver" Version="2.21.0" />
+    <PackageReference Include="MongoDB.Driver" Version="2.22.0" />
   </ItemGroup>
 
 </Project>