Bump System.Text.Encoding.CodePages from 7.0.0 to 8.0.0

Bumps [System.Text.Encoding.CodePages](https://github.com/dotnet/runtime) from 7.0.0 to 8.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.0...v8.0.0)

---
updated-dependencies:
- dependency-name: System.Text.Encoding.CodePages
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

src/DbfDataReader/DbfDataReader.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <Description>DbfDataReader is a small fast .Net Core library for reading dBase, xBase, Clipper and FoxPro database files</Description>
@@ -28,7 +28,7 @@
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
     <PackageReference Include="System.Data.Common" Version="4.3.0" />
     <PackageReference Include="System.Memory" Version="4.5.5" />
-    <PackageReference Include="System.Text.Encoding.CodePages" Version="7.0.0" />
+    <PackageReference Include="System.Text.Encoding.CodePages" Version="8.0.0" />
   </ItemGroup>
 
   <ItemGroup>