Upgrade to IoT library v3

Bump System.Device.Gpio from 2.2.0 to 3.0.0

Bumps [System.Device.Gpio](https://github.com/dotnet/iot) from 2.2.0 to 3.0.0.
- [Release notes](https://github.com/dotnet/iot/releases)
- [Commits](dotnet/iot@2.2...3.0)

---
updated-dependencies:
- dependency-name: System.Device.Gpio
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Bump Iot.Device.Bindings from 2.2.0 to 3.0.0

Bumps [Iot.Device.Bindings](https://github.com/dotnet/iot) from 2.2.0 to 3.0.0.
- [Release notes](https://github.com/dotnet/iot/releases)
- [Commits](dotnet/iot@2.2...3.0)

---
updated-dependencies:
- dependency-name: Iot.Device.Bindings
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Bump Microsoft.NET.Test.Sdk from 17.6.3 to 17.7.0

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.6.3 to 17.7.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.6.3...v17.7.0)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

SimpleGPIO.Tests/SimpleGPIO.Tests.csproj

@@ -6,7 +6,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.0" />
 		<PackageReference Include="NSubstitute" Version="5.0.0" />
 		<PackageReference Include="xunit" Version="2.5.0" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.5.0" />

SimpleGPIO/SimpleGPIO.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
 		<Version>2.0.1</Version>
 		<TargetFramework>netstandard2.0</TargetFramework>
@@ -20,9 +20,9 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Iot.Device.Bindings" Version="2.2.0" />
+		<PackageReference Include="Iot.Device.Bindings" Version="3.0.0" />
 		<PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
-		<PackageReference Include="System.Device.Gpio" Version="2.2.0" />
+		<PackageReference Include="System.Device.Gpio" Version="3.0.0" />
 		<None Include="../README.md" CopyToOutputDirectory="PreserveNewest" Pack="true" PackagePath="." />
 	</ItemGroup>
 </Project>