Bump System.Memory in the all-dependencies group across 1 directory (#…

…161)

Bumps the all-dependencies group with 1 update in the / directory: [System.Memory](https://github.com/dotnet/maintenance-packages).


Updates `System.Memory` from 4.5.5 to 4.6.0
- [Release notes](https://github.com/dotnet/maintenance-packages/releases)
- [Commits](https://github.com/dotnet/maintenance-packages/commits)

---
updated-dependencies:
- dependency-name: System.Memory
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all-dependencies
...

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

Directory.Packages.props

@@ -3,7 +3,7 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="System.Memory" Version="4.5.5" />
+    <PackageVersion Include="System.Memory" Version="4.6.0" />
     <PackageVersion Include="FastExpressionCompiler.Internal.src" Version="4.2.2" />
 
     <!-- Benchmarks -->