Release v8.2.0

[forrestfwilliams]

Update to Gamma v20231208.

Golden RTC tests here, golden InSAR tests here.

[github-actions]

Developer checklist

• Indicated the level of changes to this package by affixing one of these labels:
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Reviewer checklist

• Have all dependencies been updated?
• Is the level of changes labeled appropriately?
• Are all the changes described appropriately in CHANGELOG.md?
• Has the documentation been adequately updated?
• Are the tests adequate?
• Have the changes been verified in the test deployment?

[forrestfwilliams]

Checked the failing RTC golden tests, main failures seem to be in area products (likely related to updates in the dem_gradient changes mentioned in the release). No significant issues found, happy with RTC.

[forrestfwilliams]

There is a clear phase ramp difference in the unw_phase products for all of our test InSAR sites. I've included an example from the Ridgecrest EQ golden test and am investigating the source.

[forrestfwilliams]

Holding off for now until we can decide what to do about the ramping issue.

[forrestfwilliams]

Explored the ramp issue in the newest Gamma version (v20240627). Found that it was still present, but to a lesser extent. This issue is unlikely to affect scientific analyses performed using the InSAR data, so I recommend proceeding with the upgrade.