chore(deps): bump Assent from 1.5.0 to 1.7.0 in /src

Bumps [Assent](https://github.com/droyad/Assent) from 1.5.0 to 1.7.0.
- [Release notes](https://github.com/droyad/Assent/releases)
- [Commits](droyad/Assent@1.5.0...1.7.0)

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

Author: dependabot[bot]

src/Typescript.Tests/Typescript.Tests.csproj

@@ -15,7 +15,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Assent" Version="1.5.0" />
+        <PackageReference Include="Assent" Version="1.7.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
         <PackageReference Include="xunit" Version="2.4.1" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />