Bump lints from 4.0.0 to 5.1.1

[dependabot[bot]]

Bumps lints from 4.0.0 to 5.1.1.

Release notes

Sourced from lints's releases.

package:lints v5.1.1

• Updated the SDK lower bound to 3.6.
• Move to dart-lang/core monorepo.

Commits

• 7a71ad6 Moving fixes (#736)
• bcff5ce Add issue template and other fixes
• a64c379 Merge package:lints into the core monorepo
• 2e5c71ddart-lang/lints#220
• 7f9f597 update the pubspec version of package:collection (#730)
• 16a7047dart-lang/lints#214
• 49591a2dart-lang/lints#217
• 1de8372 Implement full Unicode 16.0.0 extended grapheme breaking. (#719)
• 6af0821 add links to the package issue trackers (#720)
• 1156cfe Use values iterator and update in map equality/hash (#718)
• Additional commits viewable in compare view

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