deps: update dependency system.memory to 4.6.2

Author: renovate[bot]

Directory.Packages.props

@@ -5,7 +5,7 @@
     <PackageVersion Include="Roslynator.Analyzers" Version="4.2.0" />
     <PackageVersion Include="Roslynator.Formatting.Analyzers" Version="4.12.1" />
     <PackageVersion Include="System.Collections.Immutable" Version="7.0.0" />
-    <PackageVersion Include="System.Memory" Version="4.5.5" />
+    <PackageVersion Include="System.Memory" Version="4.6.2" />
   </ItemGroup>
 
   <ItemGroup>