Update version on main to 2.0.0-DEV (JuliaLang/JuliaSyntax.jl#576)

Author: fredrikekre

JuliaSyntax/Project.toml

@@ -1,7 +1,7 @@
 name = "JuliaSyntax"
 uuid = "70703baa-626e-46a2-a12c-08ffd08c73b4"
 authors = ["Claire Foster <[email protected]> and contributors"]
-version = "1.0.2"
+version = "2.0.0-DEV"
 
 [compat]
 Serialization = "1.0"