Merge pull request #687 from JuliaRobotics/compathelper/new_version/2020-10-31-00-36-26-040-3817491894

CompatHelper: bump compat for "Unmarshal" to "0.4"

Author: dehann

Project.toml

@@ -36,7 +36,7 @@ Pkg = "1.4, 1.5"
 Reexport = "0.2, 0.3, 0.4, 0.5, 1"
 Requires = "0.5, 0.6, 0.7, 0.8, 0.9, 0.10, 1"
 TimeZones = "1.3.1"
-Unmarshal = "= 0.4.0"
+Unmarshal = "0.4"
 julia = "1.2"
 
 [extras]