SatChip v0.6.0

Added

• Add mypy to static analysis github action.
• Support for RTC products.

Changed

• Names of platforms so OPERA RTC is S1RTC and HyP3 RTC is HYP3S1RTC.
• Switch from a multithreaded to a single threaded download approach for Sentinel-2.
• Updated github actions to use only ASF's GitHub secrets.

Fixed

• Bug that resulted in duplicates of Sentinel-2 data sometimes being selected