Bump System.Text.Json from 6.0.7 to 7.0.3

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 6.0.7 to 7.0.3.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v6.0.7...v7.0.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

src/Plaid/Plaid.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
 		<LangVersion>latest</LangVersion>
@@ -69,7 +69,7 @@
 		<PackageReference Include="Microsoft.Extensions.Http" Version="6.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0" />
 		<PackageReference Include="System.Net.Http.Json" Version="6.0.0" />
-		<PackageReference Include="System.Text.Json" Version="6.0.7" />
+		<PackageReference Include="System.Text.Json" Version="7.0.3" />
 	</ItemGroup>
 
 	<ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' ">
@@ -78,7 +78,7 @@
 		<PackageReference Include="Microsoft.Extensions.Http" Version="3.1.31" />
 		<PackageReference Include="Microsoft.Extensions.Logging" Version="3.1.31" />
 		<PackageReference Include="System.Net.Http.Json" Version="5.0.0" />
-		<PackageReference Include="System.Text.Json" Version="6.0.7" />
+		<PackageReference Include="System.Text.Json" Version="7.0.3" />
 	</ItemGroup>
 
 	<ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
@@ -87,7 +87,7 @@
 		<PackageReference Include="Microsoft.Extensions.Http" Version="3.1.31" />
 		<PackageReference Include="Microsoft.Extensions.Logging" Version="3.1.31" />
 		<PackageReference Include="System.Net.Http.Json" Version="5.0.0" />
-		<PackageReference Include="System.Text.Json" Version="6.0.7" />
+		<PackageReference Include="System.Text.Json" Version="7.0.3" />
 	</ItemGroup>
 
 	<ItemGroup>