Release v5.5.1

[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
• [x] (If applicable) Added/updated documentation for these changes
• [x] ~(If applicable) Added/updated tests for these changes~