chore(deps): update dependency mongodb.bson to v3

Author: renovate[bot]

SerializationBenchmarks.csproj

@@ -25,7 +25,7 @@
         <PackageReference Include="Jil" Version="2.17.0" />
         <PackageReference Include="MemoryPack" Version="1.21.3" />
         <PackageReference Include="MessagePack" Version="2.5.192" />
-        <PackageReference Include="MongoDB.Bson" Version="2.30.0" />
+        <PackageReference Include="MongoDB.Bson" Version="3.4.2" />
         <PackageReference Include="MsgPack.Cli" Version="1.0.1" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
         <PackageReference Include="protobuf-net" Version="3.2.45" />