Make the `wasmbind` feature of the `chrono` crate optional (#2810)

This Pull Request fixes/closes #2475.

It changes the following:

- Do not use the `wasmbind` feature by default in the `chrono` crate. This can be enabled selectively if needed.
- Updated the `boa_wasm` crate to use this new approach.

I'm interested on knowing if this fixes @lastmjs's issue, and on checking with the team if this is the best approach to solve it.

Cargo.lock

@@ -560,6 +560,7 @@ name = "boa_wasm"
 version = "0.16.0"
 dependencies = [
  "boa_engine",
+ "chrono",
  "getrandom",
  "wasm-bindgen",
 ]

boa_engine/Cargo.toml

@@ -60,7 +60,7 @@ num-integer = "0.1.45"
 bitflags = "2.1.0"
 indexmap = "1.9.3"
 ryu-js = "0.2.2"
-chrono = { version = "0.4.24", default-features = false, features = ["clock", "std", "wasmbind"] }
+chrono = { version = "0.4.24", default-features = false, features = ["clock", "std"] }
 fast-float = "0.2.0"
 unicode-normalization = "0.1.22"
 once_cell = "1.17.1"

boa_wasm/Cargo.toml

@@ -15,6 +15,7 @@ rust-version.workspace = true
 boa_engine = { workspace = true, features = ["console", "annex-b"] }
 wasm-bindgen = "0.2.84"
 getrandom = { version = "0.2.9", features = ["js"] }
+chrono = { version = "0.4.24", features = ["clock", "std", "wasmbind"] }
 
 [lib]
 crate-type = ["cdylib", "lib"]

boa_wasm/src/lib.rs

@@ -58,6 +58,7 @@
 )]
 
 use boa_engine::{Context, Source};
+use chrono as _;
 use getrandom as _;
 use wasm_bindgen::prelude::*;