chore: mask bucket name in s3 docs publishing step

[mrgrain]

Actually mask the bucket name in s3 docs publishing logs. This isn't a secret, so it's not bad. The logs for the one run that did accidentally print the name have already been deleted.

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.86%. Comparing base (09ef5a0) to head (db38e63).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #182      +/-   ##
==========================================
+ Coverage   84.64%   84.86%   +0.21%     
==========================================
  Files         205      205              
  Lines       35648    35648              
  Branches     4591     4612      +21     
==========================================
+ Hits        30175    30251      +76     
+ Misses       5321     5247      -74     
+ Partials      152      150       -2     

Flag	Coverage Δ
suite.unit	84.86% <ø> (+0.21%)	⬆️

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