message: Use execSync instead of spawnSync in buildCore
diff: -const { spawnSync } = require("child_process");
  +const { execSync } = require("child_process");
  const fs = require("fs");
  -spawnSync(
  - "cargo",
  - ["run"],
  +execSync(
  + "cargo run",
  {
  cwd: "livesplit-core/capi/bind_gen",
  stdio: "inherit",
  },
  );
  -spawnSync(
  - "cargo",
  - [
  - "build",
  - "-p", "cdylib",
  - "--features", "wasm-web",
  - "--target", "wasm32-unknown-unknown",
  - "--release",
  - ],
  +execSync(
  + "cargo build -p cdylib --features wasm-web --target wasm32-unknown-unknown --release",
  {
  cwd: "livesplit-core",
  stdio: "inherit",
  },
  );
  -spawnSync(
  - "wasm-bindgen",
  - [
  - "livesplit-core/target/wasm32-unknown-unknown/release/livesplit_core.wasm",
  - "--out-dir", "src/livesplit-core",
  - ],
  +execSync(
  + "wasm-bindgen livesplit-core/target/wasm32-unknown-unknown/release/livesplit_core.wasm --out-dir src/livesplit-core",
  {
  stdio: "inherit",
  },
  