single-class-model fixes

What's Changed

• Add max_cloud_max parameter to masking functions by @mbuchhorn in #253
• Bump version to 0.4.2 and fix GDrive filesystem initialization by @mbuchhorn in #254
• Bump version to 0.4.3 and add chunk_size parameter for openEO processing by @mbuchhorn in #255
• Mb fix epsg tile grids by @mbuchhorn in #256
• Remove unused scripting files and refactor grid handling by @mbuchhorn in #257
• bug-fix of inference by @mbuchhorn in #258

Full Changelog: v0.4.1...v0.4.5