chore: Release 3.6.3

[TheRealAgentK]

Summary

Release 3.6.3 — dependency maintenance release. Includes the three Dependabot dependency bumps merged since 3.6.2.

Changes

• pubspec.yaml: version 3.6.2 → 3.6.3
• lib/src/services/settings.dart: kVersion 3.6.2 → 3.6.3
• CHANGELOG.md: new 3.6.3 entry
• example/pubspec.lock: version reference updated

Dependencies bumped in this release

Dependency	From	To	PR
connectivity_plus	7.3.0	7.3.1	#335
uuid	4.5.3	4.6.0	#336
network_info_plus	8.1.0	8.2.1	#337

Note for consumers: network_info_plus 8.2.x raises Apple platform minimums in SPM manifests. This is the only consumer-visible change in this release.

Verification

• flutter pub get --enforce-lockfile — passes
• flutter analyze — no issues found
• flutter test — 36/36 tests passed
• flutter pub publish --dry-run — 0 warnings

Post-merge

• Publish to pub.dev (flutter pub publish)
• Squash & merge this PR into develop
• Create GitHub Release with tag 3.6.3 — releases page