chore: 2024 edition, disable vsencoding_codec, minor cleanups

[nyurik]

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[codecov]

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✅ All modified and coverable lines are covered by tests.

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[Copilot]

Pull request overview

This PR updates the crate to Rust 2024 edition and performs a set of small cleanups (import ordering/rustfmt, lint scoping, and minor API annotations) across tests, fuzz targets, benches, and the Rust/C++ codec wrappers.

Changes:

• Bump crate edition to 2024 and adjust lint configuration in Cargo.toml.
• Add #[must_use] annotations to several constructors and test helpers; scope dead_code suppression to tests/common.rs.
• Apply rustfmt/import reordering and minor formatting tweaks across tests/fuzz/benches; comment out the leaky vsencoding_codec FFI declaration.

Reviewed changes

Copilot reviewed 15 out of 15 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
Cargo.toml	Bumps edition to 2024 and removes some lint overrides.
build.rs	Splits grouped imports (formatting cleanup).
src/rust/mod.rs	Reorders re-exports (formatting cleanup).
src/rust/integer_compression/codec.rs	Reorders imports.
src/rust/integer_compression/variable_byte.rs	Adds #[must_use] to VariableByte::new.
src/rust/integer_compression/just_copy.rs	Adds #[must_use] to JustCopy::new.
src/rust/integer_compression/fastpfor.rs	Adds #[must_use] to FastPFOR::new.
src/rust/integer_compression/differential/mod.rs	Adds #[must_use] to Delta::new.
src/cpp/mod.rs	Comments out vsencoding_codec in the CXX bridge (known leak).
tests/common.rs	Adds dead_code allow locally and #[must_use] on helpers; minor formatting.
tests/basic_tests.rs	Import ordering tweak.
benches/fastpfor_benchmark.rs	Import ordering tweak.
fuzz/fuzz_targets/common.rs	Consolidates imports.
fuzz/fuzz_targets/rust_decompress_oracle.rs	Import ordering tweak.
fuzz/fuzz_targets/rust_compress_oracle.rs	Formats long for loop header for readability.

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[CommanderStorm]

Commenting out Vs encoding would benefit from a code comment why it is commented out