Bump version to 0.20.0

lib/frontend/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 authors = ["The Cranelift Project Developers"]
 name = "cranelift-frontend"
-version = "0.19.0"
+version = "0.20.0"
 description = "Cranelift IR builder helper"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/"
@@ -10,7 +10,7 @@ repository = "https://github.com/CraneStation/cranelift"
 readme = "README.md"
 
 [dependencies]
-cranelift-codegen = { path = "../codegen", version = "0.19.0", default-features = false }
+cranelift-codegen = { path = "../codegen", version = "0.20.0", default-features = false }
 
 [features]
 default = ["std"]