fix: use plaintext formatting in release commit

[codebytere]

Refs. nodejs/branch-diff#22.

Leverages new plaintext functionality in branch-diff so that we can easily pull the notable changes into release commits without markdown cruft. New sample output:

build:
  * add --error-on-warn configure flag (Daniel Bevenius) https://github.com/nodejs/node/pull/32685
cluster:
  * fix error on worker disconnect/destroy (Santiago Gimeno) https://github.com/nodejs/node/pull/32793
crypto:
  * check DiffieHellman p and g params (Ben Noordhuis) https://github.com/nodejs/node/pull/32739
  * generator must be int32 in DiffieHellman() (Ben Noordhuis) https://github.com/nodejs/node/pull/32739
  * key size must be int32 in DiffieHellman() (Ben Noordhuis) https://github.com/nodejs/node/pull/32739

cc @targos

[codecov]

Codecov Report

Merging #417 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #417   +/-   ##
=======================================
  Coverage   76.34%   76.34%           
=======================================
  Files          21       21           
  Lines        1484     1484           
=======================================
  Hits         1133     1133           
  Misses        351      351           

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