Don't enforce a particular tempfile version for people depending on cbindgen via crates.io / git.

Author: emilio

Cargo.toml

@@ -23,7 +23,7 @@ indexmap = "1"
 log = "0.4"
 serde = { version = "1.0.103", default-features = false, features = ["derive"] }
 serde_json = "1.0"
-tempfile = "=3.3.0"
+tempfile = "3"
 toml = "0.5"
 proc-macro2 = "1"
 quote = "1"