3.9.0

Originally stated for 3.8, but now an urgent business need requested the function add Grid() function get_heights_above_ffl().

This will be tentatively the final minor release of the xtgeo 3.x major version, with the exception of future bug releases. No new features will be added to xtgeo 3.9.0 except under rare circumstances. It will be frozen as-is as we turn toward xtgeo 4.0.

What's Changed

• CLN: format with latest ruff by @mferrera in #1185
• Unpin pytables version for Python 3.8 by @ErichSuter in #1188
• CI: Remove MacOS latest xlarge runner by @ErichSuter in #1191
• ENH: add Grid() function get_heights_above_ffl. by @jcrivenaes in #1197
• BLD: skip macos builds for CIBW and publish by @jcrivenaes in #1198

Full Changelog: 3.8.0...3.9.0