chore(main): release launchdarkly_common_client 1.14.0

[LaunchDarklyReleaseBot]

🤖 I have created a release beep boop

1.14.0 (2026-06-25)

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)
• Add the FDv2 data system and expose it through configuration (#310) (61a1e59)
• Centralize platform credential handling in CredentialConfig (#300) (c677c3d)
• honor the FDv1 fallback directive on success, error, and goodbye (#312) (1c35867)
• 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)

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This PR was generated with Release Please. See documentation.

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Note

Low Risk
Metadata-only release bump; runtime behavior is unchanged by this PR itself.

Overview
Release Please bumps launchdarkly_common_client from 1.13.0 to 1.14.0 in pubspec.yaml and .release-please-manifest.json, and adds the 1.14.0 section to CHANGELOG.md. There is no application code in this diff.

The changelog entry for 1.14.0 describes the feature set already merged on main (FDv2 data system/orchestrator, streaming and payload handling, FDv1 fallback, CredentialConfig, launchdarkly_event_source_client 2.2.0, and a source-manager initializer fix). This PR only publishes that version and release notes.

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[kinyoklion]

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