Update release notes

• refactoring (see troubleshooting/migration)
• pythonic extended filenames
• easy access to image metadata
• CI improvements (tests, coverage, doc, etc)
• Documentation improvement
• Code format
• Allow OTB dotted parameters in kwargs
• Easy access to pixel coordinates
• Add function to transform x,y coordinates into row, col
• native support of vsicurl inputs
• fixes in summarize()
• fixes in shape
• Add typing to function defs to enhance documentation