Bump the dco2 group with 2 updates

[dependabot]

Bumps the dco2 group with 2 updates: clap and indoc.

Updates clap from 4.5.49 to 4.5.51

Release notes

Sourced from clap's releases.

v4.5.51

[4.5.51] - 2025-10-29

Fixes

• (help) Correctly calculate padding for short flags that take a value
• (help) Don't panic on short flags using ArgAction::Count

v4.5.50

[4.5.50] - 2025-10-20

Features

• Accept Cow where String and &str are accepted

Changelog

Sourced from clap's changelog.

[4.5.51] - 2025-10-29

Fixes

• (help) Correctly calculate padding for short flags that take a value
• (help) Don't panic on short flags using ArgAction::Count

[4.5.50] - 2025-10-20

Features

• Accept Cow where String and &str are accepted

Commits

• b49dae2 chore: Release
• d37b0b5 docs: Update changelog
• 3398b6a Merge pull request #6009 from gtema/complete_try_generate
• 21fc9e4 feat(clap-complete): Introduce fallible generator
• bd01bdc Merge pull request #6012 from epage/sub
• ed0c63d docs(derive): Specify arg_required_else_help is set for users
• e2188d9 chore(deps): Update Rust Stable to v1.87 (#6004)
• e01f2b7 docs: Cleanup unused links
• 6b12a81 chore: Release
• 8dd92a7 docs: Update changelog
• Additional commits viewable in compare view

Updates indoc from 2.0.6 to 2.0.7

Release notes

Sourced from indoc's releases.

2.0.7

• Support C-string literals indoc! {c"..."}, indoc! {cr"..."} (#67)

Commits

• 8d78216 Release 2.0.7
• 23472ff Merge pull request #67 from dtolnay/cstring
• 8d05562 Hide C-string tests from old toolchain versions
• 7c92efb Recognize C-string literals
• fe39de4 Generalize Error constructors
• 27e0151 Add C-string tests
• 57f6fbb Sort tests
• 170a079 Raise minimum tested compiler to rust 1.76
• 2f6ef04 Opt in to generate-macro-expansion when building on docs.rs
• ce1bed4 Update ui test suite to nightly-2025-09-12
• Additional commits viewable in compare view

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