[kata/root/M001/S01] feat(S01): Bump toml 0.8 → 1.1 and fix load_vector() parsing

[wollax]

What Changed

See slice plan: S01: Bump toml & Fix Test Infrastructure

Must-Haves

• crates/cupel/Cargo.toml has toml = "1.1" in dev-dependencies
• load_vector() in conformance.rs uses toml::from_str::<toml::Table>() wrapped in Value::Table
• load_vector() in count_constrained_knapsack.rs uses the same pattern
• cargo test — 266+ pass, 0 fail
• cargo clippy — no new warnings

Tasks

• T01: Bump toml to 1.1 and fix both load_vector() call sites

[Copilot]

Pull request overview

Updates the Rust test infrastructure in crates/cupel to remain compatible with newer toml parsing behavior while bumping the dev-dependency version.

Changes:

• Bump toml dev-dependency from 0.8 to 1.1 for the cupel crate.
• Fix TOML conformance vector loading to parse documents as toml::Table and wrap them as toml::Value::Table.
• Extend .gitignore with additional common auto-generated build/cache directories.

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
crates/cupel/tests/count_constrained_knapsack.rs	Updates load_vector() to parse TOML documents via toml::Table then wrap into Value::Table.
crates/cupel/tests/conformance.rs	Applies the same load_vector() TOML document parsing fix used by the main conformance test harness.
crates/cupel/Cargo.toml	Bumps toml dev-dependency to 1.1.
.gitignore	Adds baseline ignores for common generated artifacts (Node/Python/build outputs/caches).

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