Update dependency System.Memory to 4.6.1 (#207)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Boyd.NMEA/Boyd.NMEA.csproj

@@ -35,7 +35,7 @@
 
   <ItemGroup>
     <PackageReference Include="MessagePack" Version="2.5.192" />
-    <PackageReference Include="System.Memory" Version="4.6.0" />
+    <PackageReference Include="System.Memory" Version="4.6.1" />
   </ItemGroup>
 
 </Project>