CompatHelper: bump compat for "LazyArrays" to "0.21" (#69)

* CompatHelper: bump compat for "LazyArrays" to "0.21"

* v0.4.2

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Sheehan Olver <solver@mac.com>

Author: github-actions[bot]

Project.toml

@@ -1,6 +1,6 @@
 name = "ApproxFunBase"
 uuid = "fbd15aa5-315a-5a7d-a8a4-24992e37be05"
-version = "0.4.1"
+version = "0.4.2"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"
@@ -40,7 +40,7 @@ FastGaussQuadrature = "0.4"
 FillArrays = "0.11"
 InfiniteArrays = "0.10"
 IntervalSets = "0.5"
-LazyArrays = "0.20"
+LazyArrays = "0.20, 0.21"
 LowRankApprox = "0.2, 0.3, 0.4"
 SpecialFunctions = "0.10, 1.0"
 StaticArrays = "0.12, 1.0"