add changelog items for 0.55.0

[randmonkey]

Add 0.55.0 section in changelog to prepare for releasing 0.55.0.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.41%. Comparing base (6c44e1f) to head (a19c310).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #445   +/-   ##
=======================================
  Coverage   59.41%   59.41%           
=======================================
  Files          71       71           
  Lines        4408     4408           
=======================================
  Hits         2619     2619           
  Misses       1174     1174           
  Partials      615      615           

Flag	Coverage Δ
2.1	35.82% <ø> (ø)
2.2	48.34% <ø> (ø)
2.3	48.97% <ø> (ø)
2.4	49.02% <ø> (ø)
2.5	35.91% <ø> (-13.12%)	⬇️
2.6	35.91% <ø> (-13.12%)	⬇️
2.7	50.72% <ø> (ø)
2.8	50.72% <ø> (ø)
3.0	54.65% <ø> (ø)
3.1	56.28% <ø> (ø)
3.2	56.32% <ø> (ø)
3.3	56.32% <ø> (ø)
3.4	58.71% <ø> (ø)
3.5	56.51% <ø> (ø)
3.6	56.51% <ø> (ø)
community	43.46% <ø> (ø)
enterprise	58.03% <ø> (ø)
integration	59.41% <ø> (ø)

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