Test of caller/callee Go version compatibility check (#75726).

-- go.work --
use .
use ./b

-- go.mod --
module example.com
go 1.18

-- a/a.go --
package a

import "example.com/b"

var _ = b.Add(1, 2) //@ codeaction("Add", "refactor.inline.call", end=")", err=`cannot inline call to b.Add (declared using go1.20) into a file using go1.18`)

-- b/go.mod --
module example.com/b
go 1.20

-- b/b.go --
package b

func Add(x, y int) int { return x + y }
