update bindgen to 0.72

Index: comm/rust/Cargo.toml
--- comm/rust/Cargo.toml.orig
+++ comm/rust/Cargo.toml
@@ -204,8 +204,8 @@ base64_21 = { package = "base64", path = "../../build/
 wasi_0_10 = { package = "wasi", path = "../../build/rust/wasi-0.10" }
 wasi_0_11 = { package = "wasi", path = "../../build/rust/wasi" }
 backtrace = { path = "../../build/rust/backtrace" }
-bindgen_0_63 = { package = "bindgen", path = "../../build/rust/bindgen-0.63" }
-bindgen = { path = "../../third_party/rust/bindgen" }
+bindgen_0_72 = { package = "bindgen", git = "https://github.com/rust-lang/rust-bindgen", rev = "9366e0af8da529c958b4cd4fcbe492d951c86f5c" }
+bindgen = { path = "../../build/rust/bindgen" }
 nix_0_26 = { package = "nix", path = "../../build/rust/nix" }
 nix_0_30 = { package = "nix", path = "../../build/rust/nix-0.29" }
 derive_more = { path = "../../build/rust/derive_more" }
