chore: Bump melos from 8.8.0 to 8.9.0

[dependabot]

Bumps melos from 8.8.0 to 8.9.0.

Changelog

Sourced from melos's changelog.

melos - v8.9.0

• REFACTOR: remove the nullsafety package filter (#1104). (96fce8e8)
• PERF: look up the published state of each package once when filtering (#1097). (cc270809)
• FIX: skip generating the IntelliJ IDE files in CI (#1101). (4993f592)
• FIX: correct the category and nullsafety keys of packageFilters (#1096). (5ef2eb29)
• FIX: keep colors in the output of nested Melos commands (#1095). (6424bc2d)
• FIX: expand the package environment variables in exec scripts (#1094). (c0c21c16)
• FIX: respect sdkPath when resolving and launching the local Melos installation (#1081). (00b80d27)
• FIX: detect Flutter packages through the workspace dependency graph (#1089). (c8f7ed7d)
• FEAT: skip packages with unchanged sources in exec (#1102). (3ffd2900)
• FEAT: add a dependsOn option to declare dependencies between scripts (#1100). (e216495a)
• FEAT: add a markSharedDependencies option to mark shared dependencies with a comment (#1099). (5ad49d3b)
• FEAT: treat the no tests ran exit code as a success in exec and test (#1098). (0f3075e0)
• FEAT: add a --post-filter option to filter included dependents and dependencies (#1093). (0507f65f)
• FEAT: add a cherry-pick command for releasing from hot-fix branches (#1091). (912374b5)
• FEAT: add a global --quiet option to only print warnings, errors and failed output (#1092). (f4228490)
• FEAT(intellij): allow configuring Flutter entry points (#1090). (f7307f3a)
• FEAT(version): add a --sign-off option for the version commit (#1088). (e773ac8c)
• DOCS: clarify single package usage and update the migration instructions (#1103). (51c42c72)

2026-09-18

Changes

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Packages with breaking changes:

• There are no breaking changes in this release.

Packages with other changes:

• melos - v8.8.0

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Commits

• 953e280 chore(release): Publish packages (#1105)
• 96fce8e refactor: remove the nullsafety package filter (#1104)
• 3ffd290 feat: skip packages with unchanged sources in exec (#1102)
• 51c42c7 docs: clarify single package usage and update the migration instructions (#1103)
• 4993f59 fix: skip generating the IntelliJ IDE files in CI (#1101)
• e216495 feat: add a dependsOn option to declare dependencies between scripts (#1100)
• 5ad49d3 feat: add a markSharedDependencies option to mark shared dependencies with a ...
• 0f3075e feat: treat the no tests ran exit code as a success in exec and test (#1098)
• cc27080 perf: look up the published state of each package once when filtering (#1097)
• 5ef2eb2 fix: correct the category and nullsafety keys of packageFilters (#1096)
• Additional commits viewable in compare view

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