Merge pull request #605 from SciML/compathelper/new_version/2021-08-12-12-08-09-601-00530233037

CompatHelper: add new compat entry for SciMLBase at version
    1 ,  (keep existing compat)

Author: ChrisRackauckas

Project.toml

@@ -50,6 +50,7 @@ ProgressLogging = "0.1"
 RecursiveArrayTools = "2"
 Reexport = "0.2, 1"
 Requires = "0.5, 1.0"
+SciMLBase = "1"
 StaticArrays = "0.11, 0.12, 1"
 TerminalLoggers = "0.1"
 Zygote = "0.5, 0.6"