version 4.9.0 release

[seratch]

Summary

v4.9.0 is ready for release now.

Requirements (place an x in each [ ])

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[codecov]

Codecov Report

Merging #620 (d9c5322) into main (0fe83a2) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #620   +/-   ##
=======================================
  Coverage   83.82%   83.82%           
=======================================
  Files           6        6           
  Lines         408      408           
  Branches       91       91           
=======================================
  Hits          342      342           
  Misses         38       38           
  Partials       28       28           

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