chore(main): release launchdarkly_common_client 1.14.0

[LaunchDarklyReleaseBot]

🤖 I have created a release beep boop

1.14.0 (2026-06-17)

Features

• Add FDv2 payload application via FlagManager.applyChanges (#299) (66c2554)
• Add FDv2 payload handling to the data source event handler (#305) (761ed9d)
• Add FDv2 source manager (#298) (43d899e)
• Add FDv2 streaming source factories and query-parameter authentication (7b46ac6)
• Add FDv2 synchronizer fallback and recovery conditions (#297) (17f7b4e)
• Add the FDv2 data source orchestrator (#307) (eb9a35f)
• Centralize platform credential handling in CredentialConfig (#300) (c677c3d)
• Translate FDv2 payloads at the data source layer (7b46ac6)
• Update launchdarkly_event_source_client to version 2.2.0 (#302) (cb6a5c0)

Bug Fixes

• Close the final initializer on exhaustion; document the source manager contract (#304) (b20c35e)

---

This PR was generated with Release Please. See documentation.

---

Note

Low Risk
Mechanical version and changelog/manifest updates only; behavioral risk lives in prior merges, not in this diff.

Overview
Release-only PR that bumps launchdarkly_common_client from 1.13.0 to 1.14.0 via Release Please: updates packages/common_client/pubspec.yaml, adds the 1.14.0 section to CHANGELOG.md, and syncs .release-please-manifest.json. No library source files change in this diff.

The new changelog entry records work already merged on main—chiefly FDv2 data sourcing (orchestrator, source manager, streaming factories with query-param auth, synchronizer fallback/recovery, payload translation and FlagManager.applyChanges, event-handler wiring), CredentialConfig credential centralization, launchdarkly_event_source_client 2.2.0, and a fix for initializer exhaustion on the source manager contract.

^{Reviewed by Cursor Bugbot for commit 16ce95e. Bugbot is set up for automated code reviews on this repo. Configure here.}

[kinyoklion]

I am holding this PR. Releases are in a working state, but we don't have a need to release each intermediate change.