CompatHelper: bump compat for IntervalArithmetic to 0.20, (keep exist…

…ing compat) (JuliaIntervals#66)

* CompatHelper: bump compat for IntervalArithmetic to 0.20, (keep existing compat)

* Update Project.toml

Co-authored-by: CompatHelper Julia <compathelper_noreply@julialang.org>
Co-authored-by: lucaferranti <49938764+lucaferranti@users.noreply.github.com>

Project.toml

@@ -1,12 +1,12 @@
 name = "IntervalOptimisation"
 uuid = "c7c68f13-a4a2-5b9a-b424-07d005f8d9d2"
-version = "0.4.4"
+version = "0.4.5"
 
 [deps]
 IntervalArithmetic = "d1acc4aa-44c8-5952-acd4-ba5d80a2a253"
 
 [compat]
-IntervalArithmetic = "0.15, 0.16, 0.17, 0.18, 0.19"
+IntervalArithmetic = "0.15, 0.16, 0.17, 0.18, 0.19, 0.20"
 julia = "1.0"
 
 [extras]