Add v4.5.1 to changelog

[sirosen]

resolves #955

[Julian]

Thanks!

[codecov-commenter]

Codecov Report

Merging #956 (acc3ed2) into main (77c7a30) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #956   +/-   ##
=======================================
  Coverage   96.88%   96.88%           
=======================================
  Files          20       20           
  Lines        3276     3276           
  Branches      449      449           
=======================================
  Hits         3174     3174           
  Misses         79       79           
  Partials       23       23           

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