chore(deps): update dependency melos to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
melos (source)	dev_dependencies	major	^5.0.0 -> ^6.0.0

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Release Notes

invertase/melos (melos)

v6.2.0

Compare Source

• FIX: Propagate error code when fail fast is enabled (#​762). (ed6243bd)
• FIX: Don't deadlock on cycle exec with order dependents (#​761). (cec45d7d)
• FIX: maintain working directory across script steps (#​711). (a3784c16)
• FIX: Flaky tests when run in GitHub Actions Workflow (#​733). (4a67d098)
• FEAT: Allow overriding enforceLockfile with --no-enforce-lockfile (#​758). (86647f1d)
• FEAT: Expose pub get's --offline flag on the bootstrap command (#​756). (b432749c)
• DOCS: Add signals to list of projects using Melos (#​754). (dc05a52c)
• DOCS: Add PowerSync to list of projects using Melos (#​746). (24fbcec1)

v6.1.0

Compare Source

• FIX: updateDependentsVersions disabled with packages still mentioned in changelogs (#​719). (0ad8f585)
• FIX: tryParse line-length to int when it's not already an integer (#​708). (35ef462d)
• FEAT: Filter by category (#​727). (71bc6104)
• FEAT: added Alice to readme (#​725). (7b7a10e0)
• FEAT: changelogFormat configuration, add includeDate boolean (#​720). (fed343b2)
• FEAT: add config for the format command (#​709). (5a6ec6f7)

v6.0.0

Compare Source

Note: This release has breaking changes.

• FIX: Only enforce lockfile when it exists (#​704). (be94adac)
• FEAT: option to provide dependencies related filters from yaml (#​698). (92be9858)
• FEAT: add --line-length option to melos format command (#​689). (048ab301)
• DOCS: fix misalignment in readme (#​699). (5e588ef9)
• BREAKING FIX: Make melos analyze always use dart analyze (#​695). (2b16e360)

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