Make sure that the Pkg.test function accepts the force_latest_compatible_version kwarg (#40)

kwargs.jl

@@ -1,5 +1,7 @@
 module Kwargs
 
+import Pkg
+
 include(joinpath(@__DIR__, "autodetect-dependabot.jl"))
 
 function kwargs(; coverage::Bool,
@@ -11,7 +13,7 @@ function kwargs(; coverage::Bool,
     kwargs_dict = Dict{Symbol, Any}()
     kwargs_dict[:coverage] = coverage
 
-    if VERSION < v"1.7.0-"
+    if VERSION < v"1.7.0-" || !hasmethod(Pkg.Operations.test, Tuple{Pkg.Types.Context, Vector{Pkg.Types.PackageSpec}}, (:force_latest_compatible_version,))
         (force_latest_compatible_version != :auto) && @warn("The `force_latest_compatible_version` option requires at least Julia 1.7", VERSION, force_latest_compatible_version)
         return kwargs_dict
     end