Release v5.3.0

[asjohnston-asf]

Developer checklist

• [x] Assigned a reviewer
• [x] Indicated the level of changes to this package by affixing one of these labels:
  • major -- Major changes to the API that may break current workflows
  • minor -- Minor changes to the API that do not break current workflows
  • patch -- Patches and bugfixes for the current version that do not break current workflows
  • bumpless -- Changes to documentation, CI/CD pipelines, etc. that don't affect the software's version
• [ ] ~(If applicable) Added/updated documentation for these changes~
• [ ] ~(If applicable) Added/updated tests for these changes~