Bump version to 0.20.0

lib/bforest/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 authors = ["The Cranelift Project Developers"]
 name = "cranelift-bforest"
-version = "0.19.0"
+version = "0.20.0"
 description = "A forest of B+-trees"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/"
@@ -11,7 +11,7 @@ readme = "README.md"
 keywords = ["btree", "forest", "set", "map"]
 
 [dependencies]
-cranelift-entity = { path = "../entity", version = "0.19.0", default-features = false }
+cranelift-entity = { path = "../entity", version = "0.20.0", default-features = false }
 
 [features]
 default = ["std"]