Bump waffle dep to 0.2.0.

Includes bytecodealliance/waffle#9 with needed support for new
operators.

Author: cfallin

Cargo.toml

@@ -9,7 +9,7 @@ edition = "2021"
 exclude = ["/npm", "/ci"]
 
 [dependencies]
-waffle = "0.1.1"
+waffle = "0.2.0"
 anyhow = "1.0"
 structopt = "0.3"
 log = "0.4"