v3.15.0

What's Changed

• On Linux, force local install of openssl in lib instead of e.g. lib64 by @JonasVautherin in #2749
• Add set_relay action support by @Ryanf55 in #2750
• Add notes and gitignore for fuzzing by @julianoes in #2752
• Remove integration tests, migrate valuable coverage to system tests by @julianoes in #2751
• Add MAVLink pure mode and config/component cleanup by @julianoes in #2746
• log_files: support ArduPilot, fixup example by @julianoes in #2756
• examples: fixup usage message by @julianoes in #2757
• Pin protoc-gen-mavsdk to v1.* by @JonasVautherin in #2758
• ftp: use global sequence counter to prevent stale response loops by @julianoes in #2760
• Expanded capabilities for setting flight mode by @jonathanreeves in #2761
• core: fix MAVLink message sequence by @julianoes in #2762

Full Changelog: v3.14.0...v3.15.0