fix(deps): update dependency intl to ^0.18.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
intl	dependencies	minor	^0.17.0 -> ^0.18.0

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Release Notes

dart-lang/intl

v0.18.0

• Add support for minimumSignificantDigits / maximumSignificantDigits in
  NumberFormat.
• Add support for plural in NumberFormat.compact() ('2 milliards').
• Fix negative number formatting / parsing in NumberFormat.compact().
• Add optional parameter to NumberFormat.compact() to explicitly add sign
  even for positive values.
• Add decimalPatternDigits to NumberFormat which supports specifying the
  number of decimal digits in a decimal pattern.
• Update to cldr 40.
• Migrate to package:lints/recommended.yaml.
• Remove some instances of dynamic types from the API.
• Fix a bug caused by a typo in the plural rules calculation.
• Unify IntlStream and StringIterator into StringStack.
• Update to CLDR v41.
• Add new locales: as, bm, en_NZ, fur, mg, nyn.
• Remove unimplemented formatDuration and formatDurationFrom.
• Make shortLocale and canonicalizedLocale implementations smarter.

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[renovate]

Renovate Ignore Notification

As this PR has been closed unmerged, Renovate will now ignore this update (^0.18.0). You will still receive a PR once a newer version is released, so if you wish to permanently ignore this dependency, please add it to the ignoreDeps array of your renovate config.

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