chore(main): release 1.4.9

[sht-bot]

🤖 I have created a release beep boop

1.4.9 (2026-09-24)

Bug Fixes

• notifications: Recover from a dead listener connection (#11) (a1268b5)
• subscriptions: Keep catching up when the checkpoint timer fires (#10) (23cbf8e)
• subscriptions: Stop a deleted subscription from silently skipping its successor's events (#21) (10c61fc)
• subscriptions: Stop a subscription delete from disconnecting its subscribers (#20) (43ac0b7)

Miscellaneous

• ci: Automate releases with release-please (#7) (051c22d)
• ci: Restrict commit types to chore, feat and fix (#19) (fb651e2)
• Claim copyright for the work done in this fork (#8) (2dcb046)
• Clear shutdown noise and compiler warnings (#12) (01aea6a)
• Point self-referential links at this fork (#6) (44efa14)
• Support only the last three Elixir and OTP releases (#16) (9215862)
• Sync with upstream commanded/eventstore (f6a1fc6)
• Sync with upstream commanded/eventstore (3532706)
• test: Stop the test environment from hiding compiler warnings (#18) (549dbe0)

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This PR was generated with Release Please. See documentation.

[cursor]

PR Summary

Low Risk
Mechanical version and changelog update only; runtime risk depends on fixes already merged on the release branch, mainly around subscriptions and LISTEN/NOTIFY.

Overview
Cuts release 1.4.9 by bumping the library version from 1.4.8 to 1.4.9 in mix.exs and .github/release-please-manifest.json, and adding a 1.4.9 section to CHANGELOG.md.

The new changelog entry documents what ships in this tag: subscription and notification reliability fixes (dead listener recovery, checkpoint catch-up on timer, safer behavior when deleting subscriptions), plus fork/CI housekeeping (release-please, supported Elixir/OTP versions, upstream sync, test warning visibility). This PR does not contain those implementation changes—only the version and release notes.

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[sht-bot]

🤖 Created releases:

• v1.4.9

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