Relax compat bounds for IntervalArithmetics for Julia v1.6

Author: blegat

Project.toml

@@ -19,7 +19,7 @@ SemialgebraicSets = "8e049039-38e8-557d-ae3a-bc521ccf6204"
 [compat]
 DataStructures = "0.18, 0.19"
 DynamicPolynomials = "0.5, 0.6"
-IntervalArithmetic = "0.22, 1"
+IntervalArithmetic = "0.20, 0.21, 0.22, 1"
 JuMP = "1"
 MathOptInterface = "1"
 MultivariateBases = "0.2"