CompatHelper: bump compat for "ApproxFun" to "0.12" (#33)

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Author: github-actions[bot]

Project.toml

@@ -29,7 +29,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
-ApproxFun = "0.11"
+ApproxFun = "0.11, 0.12"
 ApproxFunBase = "0.3"
 ApproxFunFourier = "0.2"
 ApproxFunOrthogonalPolynomials = "0.3"