Simplify argument null check

Proprietary

Use ArgumentNullException.ThrowIfNull(arg) instead of manual null check.

OpenRewrite.Recipes.CSharp.CodeQuality.Simplification.SimplifyArgumentNullCheck

mod run . --recipe=OpenRewrite.Recipes.CSharp.CodeQuality.Simplification.SimplifyArgumentNullCheck

Install it once, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.