Add CFSensor XGZP6897D / XGZP6899

Footprint - kicad-footprints!3285 (merged)

The layout is done to match MS5837-xxBA, but with the appropriate pin numbers.

6897 - https://cfsensor.com/wp-content/uploads/2022/11/XGZP6897D-Pressure-Sensor-V2.7.pdf

6899 - https://cfsensor.com/wp-content/uploads/2022/11/XGZP6899D-Pressure-Sensor-V2.8.pdf

• Provide a URL to a datasheet for the symbol(s) you are contributing
• An example screenshot image is very helpful
• A new fitting footprint must be submitted if the library does not yet contain one.
• If there are matching footprint PRs, provide link(s) as appropriate
• Check the output of the automated check scripts - fix any errors as required