ENH: add support for GDAL's ALL_TOUCHED mode

Summary

Implements support for GDAL's ALL_TOUCHED rasterization mode.

Rationale

It's useful functionality and it's easy to expose.

Implementation Details

Additional notes

Should we add a test for this?

Closes #1714 (closed).

Copyright

The copyright owner is Laurențiu Nicola and has signed the ORFEO ToolBox Contributor License Agreement.

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Check before merging:

• All discussions are resolved
• At least 2 votes from core developers, no vote.
• The feature branch is (reasonably) up-to-date with the base branch
• Dashboard is green
• Copyright owner has signed the ORFEO ToolBox Contributor License Agreement