Update manifest for v1.4.0-rc.1

[EnriqueL8]

Proposed changes

Update manifest for v1.4.0-rc.1

Types of changes

• Bug fix
• New feature added
• Release process
• Documentation Update

---

Please make sure to follow these points

• I have read the contributing guidelines.
• I have performed a self-review of my own code or work.
• My changes generates no new warnings.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.96%. Comparing base (54e39f9) to head (134dc14).
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1693      +/-   ##
==========================================
- Coverage   99.96%   99.96%   -0.01%     
==========================================
  Files         342      342              
  Lines       30439    30437       -2     
==========================================
- Hits        30427    30425       -2     
  Misses          8        8              
  Partials        4        4              

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