Update target framework to .NET 10 and bump test dependencies

Changed target framework from net8.0 to net10.0 in both main and test projects. Updated test dependencies to latest versions for improved compatibility and support.

Author: tinohager

src/Nager.LongWeekend.UnitTest/Nager.LongWeekend.UnitTest.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 
@@ -10,11 +10,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="6.12.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.1" />
-    <PackageReference Include="coverlet.collector" Version="6.0.2">
+    <PackageReference Include="FluentAssertions" Version="8.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.0.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.0.2" />
+    <PackageReference Include="coverlet.collector" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

src/Nager.LongWeekend/Nager.LongWeekend.csproj

@@ -21,7 +21,7 @@
 
     <RepositoryUrl>https://github.com/nager/Nager.LongWeekend</RepositoryUrl>
 
-    <TargetFrameworks>net8.0</TargetFrameworks>
+    <TargetFrameworks>net10.0</TargetFrameworks>
 
     <Version>1.0.1</Version>
   </PropertyGroup>