deps(dotnet): Bump NMemory from 3.1.0 to 3.1.6 (#13)

---
updated-dependencies:
- dependency-name: NMemory
  dependency-version: 3.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -20,7 +20,7 @@
     <PackageVersion Include="Sentry.NLog" Version="5.0.0" />
     <!-- Data / Persistence -->
     <PackageVersion Include="LiteDB" Version="5.0.21" />
-    <PackageVersion Include="NMemory" Version="3.1.0" />
+    <PackageVersion Include="NMemory" Version="3.1.6" />
     <PackageVersion Include="sqlite-net-pcl" Version="1.9.172" />
     <PackageVersion Include="SQLitePCLRaw.bundle_e_sqlcipher" Version="2.1.10" />
     <PackageVersion Include="System.Runtime.Caching" Version="10.0.2" />