Merge pull request #1400 from SciML/compathelper/new_version/2021-12-04-00-10-23-357-03225992808

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

Author: YingboMa

Project.toml

@@ -57,7 +57,7 @@ DocStringExtensions = "0.7, 0.8"
 DomainSets = "0.5"
 Graphs = "1.4"
 IfElse = "0.1"
-JuliaFormatter = "0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19"
+JuliaFormatter = "0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.20"
 LabelledArrays = "1.3"
 Latexify = "0.11, 0.12, 0.13, 0.14, 0.15"
 MacroTools = "0.5"