chore: bump clap from 4.5.61 to 4.6.6

[dependabot]

Bumps clap from 4.5.61 to 4.6.6.

Release notes

Sourced from clap's releases.

v4.6.6

[4.6.6] - 2026-08-06

Features

• Add Command::get_overridden_usage

v4.6.5

[4.6.5] - 2026-07-31

Fixes

• (help) Correctly mark which value_names are optional with num_args

v4.6.4

[4.6.4] - 2026-07-21

Internal

• Update to syn v3

v4.6.3

[4.6.3] - 2026-07-20

Fixes

• (derive) Allow "literal".function() as attribute values

v4.6.2

[4.6.2] - 2026-07-15

Fixes

• (help) Say alias when there is only one

v4.6.1

[4.6.1] - 2026-04-15

Fixes

• (derive) Ensure rebuilds happen when an read env variable is changed

Changelog

Sourced from clap's changelog.

[4.6.6] - 2026-08-06

Features

• Add Command::get_overridden_usage

[4.6.5] - 2026-07-31

Fixes

• (help) Correctly mark which value_names are optional with num_args

[4.6.4] - 2026-07-21

Internal

• Update to syn v3

[4.6.3] - 2026-07-20

Fixes

• (derive) Allow "literal".function() as attribute values

[4.6.2] - 2026-07-15

Fixes

• (help) Say alias when there is only one

[4.6.1] - 2026-04-15

Fixes

• (derive) Ensure rebuilds happen when an read env variable is changed

[4.6.0] - 2026-03-12

Compatibility

• Update MSRV to 1.85

Commits

• 348cff3 chore: Release
• d478377 docs: Update changelog
• 04b9fbb Merge pull request #6414 from koopatroopa787/fix-bash-completion-bracket-glob
• 7075239 Merge pull request #6422 from BaumiCoder/fix-fish-indentations
• f90a966 fix(complete): Use spaces for indentation in fish
• dd4997b fix(complete): Don't glob-expand bash positionals
• 8387c81 Merge pull request #6399 from clap-rs/renovate/crate-ci-typos-1.x
• 8141e11 chore(deps): Update compatible (dev) (#6398)
• 8a6bd4e chore(deps): Update pre-commit hook crate-ci/typos to v1.47.0
• 71a7213 chore(deps): Update Rust Stable to v1.96 (#6396)
• Additional commits viewable in compare view

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[prql-bot]

Mechanical, semver-compatible lockfile-only bump — no manifest change needed, since clap = { version = "4.5.61", ... } in prqlc/prqlc/Cargo.toml is a caret requirement that already admits 4.6.6. Every version this diff references (syn 3.0.4, windows-sys 0.61.2) was already present in the lockfile, and windows-sys 0.60.2 is retained because two other crates still reference it.

Approving on the diff. check-ok-to-merge shows red, but it resolves to run 33744322641, whose own conclusion is cancelled — the concurrency-cascade artifact, not a real failure; the replacement run is still in flight. It outlasted the poll cap, so these are unverified rather than green: the test-rust / test-rust-main matrices, test-msrv, test-deps-min-versions, test-grammars, the build-prqlc / build-prqlc-c matrices, and the nightly jobs.

What I checked

• MSRV. clap 4.6.0 raises its MSRV to 1.85; the workspace declares rust-version = "1.85.0" and prqlc/prqlc/Cargo.toml carries the hand-maintained metadata.msrv = "1.85.0" that cargo msrv verify reads. Equal, so no floor to raise — though there is now zero headroom. clap_derive moving onto syn 3 adds no new floor either: serde_derive and prqlc-macros already depended on syn 3.0.4 before this PR, so it was already in prqlc's graph.
• CLI help snapshots. 4.6.2 (alias wording) and 4.6.5 (optional value_names under num_args) are the two help-rendering changes that could shift the insta snapshots in prqlc/prqlc/src/cli/test.rs. Neither applies — the CLI declares no clap aliases and no num_args / value_names. test-rust is the empirical check and is still pending.
• Manifest convention. Sibling Dependabot PRs #6257, #6259 and #6274 all edit a manifest because their bumps are semver-incompatible; this one correctly doesn't.