Upgrade from v4.5 to LTS (or current) version

[github-actions]

The following project file(s) target a .NET version which is no longer supported. This is an auto-generated issue, detailed and discussed in dotnet/docs#22271.

Target version	End of life	Release notes	Nearest LTS TFM version
v4.5	January, 12 2016	v4.5 release notes	net48

• Web/Edubase.TexunaApi.Fake/Edubase.TexunaApi.Fake.csproj

Consider upgrading projects to either the current release, or the nearest LTS TFM version.

If any of these projects are intentionally targeting an unsupported version, you can optionally configure to ignore including them in this automated issue. Create a file at the root of the repository, named dotnet-versionsweeper.json and add an ignore entry following the globbing patterns detailed here.

{
    "ignore": [
        "**/path/to/example.csproj"
    ]
}