Spirv builder cleanup#497

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Firestar99 wants to merge 3 commits intofwd_warningsfrom

spirv_builder_cleanup

Commits on Feb 3, 2026

spirv-builder: move metadata file parsing to `invoke_rustc`
Firestar99
committed
spirv-builder: cleanup `build_script.env_shader_spv_path` implementation
Firestar99
committed
spirv-builder: make `invoke_rustc` take `SpirvBuilder` as `&self`
Firestar99
committed