Test using Aqua v0.7 (#88)

Author: jishnub

Project.toml

@@ -24,7 +24,7 @@ ApproxFunSingularitiesStaticArraysExt = "StaticArrays"
 ApproxFunBase = "0.8.56, 0.9.12"
 ApproxFunBaseTest = "0.1"
 ApproxFunOrthogonalPolynomials = "0.2.3, 0.3, 0.4, 0.5, 0.6"
-Aqua = "0.6"
+Aqua = "0.7"
 DomainSets = "0.4, 0.5, 0.6"
 HalfIntegers = "1.5"
 IntervalSets = "0.5, 0.6, 0.7"