CompatHelper: bump compat for "IntervalSets" to "0.4" (#32)

Author: github-actions[bot]

Project.toml

@@ -39,7 +39,7 @@ FFTW = "0.3, 1"
 FastGaussQuadrature = "0.4"
 FillArrays = "0.8"
 InfiniteArrays = "0.4, 0.5, 0.6"
-IntervalSets = "0.3.1"
+IntervalSets = "0.3.1, 0.4"
 LazyArrays = "0.14, 0.15"
 LowRankApprox = "0.2, 0.3, 0.4"
 SpecialFunctions = "0.8, 0.9, 0.10"