feat: move and export notification isVersionInBounds util

[Prithpal-Sooriya]

Explanation

Allows clients to also consume and use this util to reduce further duplication (e.g. carousels)

References

https://consensyssoftware.atlassian.net/browse/ASSETS-1362

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've communicated my changes to consumers by updating changelogs for packages I've changed, highlighting breaking changes as necessary
• I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes

---

Note

Adds and exports isVersionInBounds and refactors feature announcement version filtering to use it, with tests and changelog update.

• Utilities:
  • Add utils/isVersionInBounds to validate versions within exclusive min/max bounds.
• Feature Announcements Service (services/feature-announcements.ts):
  • Replace inline semver filtering with isVersionInBounds.
  • Remove direct semver gt/lt usage in this file.
• Exports (NotificationServicesController/index.ts):
  • Export isVersionInBounds from package root.
• Tests:
  • Add utils/isVersionInBounds.test.ts covering min, max, and combined bounds cases.
• Changelog:
  • Note new exported util under Unreleased.

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[juanmigdr]

LGTM