CompatHelper: bump compat for SparseArrayKit to 0.4, (keep existing compat) (#206)

* CompatHelper: bump compat for SparseArrayKit to 0.4, (keep existing compat)

* Bump to v0.11.21

---------

Co-authored-by: CompatHelper Julia <[email protected]>
Co-authored-by: Matt Fishman <[email protected]>

Author: 3 people

Project.toml

@@ -1,7 +1,7 @@
 name = "ITensorNetworks"
 uuid = "2919e153-833c-4bdc-8836-1ea460a35fc7"
 authors = ["Matthew Fishman <[email protected]>, Joseph Tindall <[email protected]> and contributors"]
-version = "0.11.20"
+version = "0.11.21"
 
 [deps]
 AbstractTrees = "1520ce14-60c1-5f80-bbc7-55ef81b5835c"
@@ -75,7 +75,7 @@ Observers = "0.2.4"
 PackageExtensionCompat = "1"
 SerializedElementArrays = "0.1"
 SimpleTraits = "0.9"
-SparseArrayKit = "0.3"
+SparseArrayKit = "0.3, 0.4"
 SplitApplyCombine = "1.2"
 StaticArrays = "1.5.12"
 StructWalk = "0.2"