feat: Release 3.0.4

[fsbraun]

Description

This PR bumps the version and adds completion of the Spanish locale

Related resources

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Checklist

• [x] I have opened this pull request against master
• [ ] I have added or modified the tests when changing logic
• [x] I have followed the conventional commits guidelines to add meaningful information into the changelog
• [x] I have read the contribution guidelines and I have joined #workgroup-pr-review on Slack to find a “pr review buddy” who is going to review my pull request.

[codecov[bot]]

Codecov Report

Merging #1408 (fea0474) into master (b8505d3) will decrease coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1408      +/-   ##
==========================================
- Coverage   74.84%   74.83%   -0.01%     
==========================================
  Files          75       75              
  Lines        3450     3449       -1     
  Branches      554      554              
==========================================
- Hits         2582     2581       -1     
  Misses        698      698              
  Partials      170      170              

Files Changed	Coverage Δ
filer/__init__.py	100.00% <100.00%> (ø)