Add Release downstream components in release workflow

[rafaelbreno]

Proposed Changes

Add an automatic release trigger for RKE2's downstream components:

• rke2-upgrade
• system-agent-installer-rke2

Types of Changes

New feature:

• A new step will be appended to release.yml workflow

Verification

Testing

Linked Issues

#7592

User-Facing Change

Further Comments

[brooksn]

Could you explain the failures in Dispatch and what this changes, and remove the Dispatch step and dispatch script?

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 23.00%. Comparing base (4d836d6) to head (d68161f).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7596   +/-   ##
=======================================
  Coverage   23.00%   23.00%           
=======================================
  Files          34       34           
  Lines        3500     3500           
=======================================
  Hits          805      805           
  Misses       2647     2647           
  Partials       48       48           

Flag	Coverage Δ
inttests	8.74% <ø> (ø)
unittests	16.32% <ø> (ø)

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[rafaelbreno]

@brooksn removed dispatch, also it was using PAT_TOKEN instead of GitHub Apps to authorize the components releases something that EIO is moving away from.