tag: set, add, remove tags

[ThomasWaldmann]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 93.33333% with 3 lines in your changes missing coverage. Please review.

Project coverage is 81.68%. Comparing base (de439ee) to head (ae0e794).
Report is 14 commits behind head on master.

Files with missing lines	Patch %	Lines
src/borg/archiver/tag_cmd.py	92.30%	1 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8449      +/-   ##
==========================================
+ Coverage   81.64%   81.68%   +0.03%     
==========================================
  Files          71       72       +1     
  Lines       12906    12950      +44     
  Branches     2337     2345       +8     
==========================================
+ Hits        10537    10578      +41     
- Misses       1707     1708       +1     
- Partials      662      664       +2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.