Update templates to default console app to net5.0

[kendaleiv]

No description provided.

[ExceptionCaught]

hi @adamsitnik and @kendaleiv , this PR also relate to the issue #1512.
However, I think a more approachable way is to take on the target framework based on the -f option with a default value of .net5.0.
If we agree so, I would start implementing on the PR for that issue.

[adamsitnik]

I think a more approachable way is to take on the target framework based on the -f option with a default value of .net5.0

I like this idea!

[adamsitnik]

Closing in favour of #1630 which added the possibility to read it from the provided arguments