add compat bounds for stdlibs and extras

Author: Christopher Doris

Project.toml

@@ -17,10 +17,19 @@ Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 UnsafePointers = "e17b2a0c-0bdf-430a-bd0c-3a23cae4ff39"
 
 [compat]
+Aqua = "0 - 999"
 CondaPkg = "0.2.21"
+Dates = "1"
+Libdl = "1"
 MacroTools = "0.5"
+Markdown = "1"
+Pkg = "1"
+REPL = "1"
 Requires = "1"
+Serialization = "1"
 Tables = "1"
+Test = "1"
+TestItemRunner = "0 - 999"
 UnsafePointers = "1"
 julia = "1.6.1"