Prepare v0.55.0 release

[tigrannajaryan]

Steps performed:

• Update CHANGELOG.md file and rename the Unreleased section to the new release name. Add a new unreleased section at top. Use commit history feature to get the list of commits since the last release to help understand what should be in the release notes, e.g.: v0.44.0...main.

  • Use multimod to update the version of the collector package

    • Update versions.yaml and commit it locally
    • Run make multimod-prerelease (it might fail if you didn't commit the change above)

  • Update the collector version in the collector builder to the new release in ./cmd/builder/internal/builder/config.go.

  • Update the collector version in the manifest used by make run to the new release in ./cmd/otelcorecol/builder-config.yaml and run make genotelcorecol.

  • Update the collector version in the examples/k8s/otel-config.yaml

Issue #5637

[codecov]

Codecov Report

Merging #5638 (680c7ad) into main (6eed626) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##             main    #5638   +/-   ##
=======================================
  Coverage   91.33%   91.33%           
=======================================
  Files         191      191           
  Lines       11384    11384           
=======================================
  Hits        10398    10398           
  Misses        786      786           
  Partials      200      200           

Impacted Files	Coverage Δ
cmd/builder/internal/builder/config.go	83.82% <ø> (ø)
cmd/otelcorecol/main.go	0.00% <0.00%> (ø)

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