RUM-10648: Migrate to Central Publisher portal

[0xnm]

What does this PR do?

This PR is similar to DataDog/dd-sdk-android#2770, see more details there.

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.98%. Comparing base (51c6b6f) to head (4dc0660).

Additional details and impacted files

@@            Coverage Diff             @@
##             develop     #404   +/-   ##
==========================================
  Coverage      76.98%   76.98%           
+ Complexity       344      342    -2     
==========================================
  Files             42       42           
  Lines           1377     1377           
  Branches         168      168           
==========================================
  Hits            1060     1060           
+ Misses           221      220    -1     
- Partials          96       97    +1     

see 3 files with indirect coverage changes

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