CompatHelper: add new compat entry for DiffEqBase at version 6, (keep existing compat)

CompatHelper Julia · CompatHelper Julia · commit f87429c3c510 · 2022-01-13T13:33:00.000Z
diff --git a/Project.toml b/Project.toml
@@ -15,3 +15,6 @@ SciMLBase = "0bca4576-84f4-4d90-8ffe-ffa030f20462"
 SymbolicUtils = "d1185830-fcd6-423d-90d6-eec64667417b"
 Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[compat]
+DiffEqBase = "6"
