Include Cargo.lock in when copying spirv-builder-cli

Gives us more reliability, especially for integration tests.

Author: tombh

crates/cargo-gpu/src/install.rs

@@ -12,6 +12,10 @@ const SPIRV_BUILDER_FILES: &[(&str, &str)] = &[
         "Cargo.toml",
         include_str!("../../spirv-builder-cli/Cargo.toml"),
     ),
+    (
+        "Cargo.lock",
+        include_str!("../../spirv-builder-cli/Cargo.lock"),
+    ),
     (
         "src/main.rs",
         include_str!("../../spirv-builder-cli/src/main.rs"),