3.0.0

What's Changed

• Add support for secure bootloader
• Update Portenta and Nicla Vision bootloader binaries (version 23)
• Adjust ST32H747_updateBootloader sketch
• Fix Portenta H7 camera library regression for 320x320 resolution
• Fix Nicla Sense ME powering from battery issue
• Adjust PDM library defines to allow using PDM from M4
• Add core version defines

Full Changelog: 2.8.0...3.0.0