refactor: Ruff 0.8

[hoxbro]

Changes are mainly related to f-string conversion.

[codecov]

Codecov Report

Attention: Patch coverage is 66.03774% with 18 lines in your changes missing coverage. Please review.

Project coverage is 88.50%. Comparing base (e2d948e) to head (30fe87d).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
holoviews/element/raster.py	0.00%	3 Missing ⚠️
holoviews/core/element.py	0.00%	2 Missing ⚠️
holoviews/core/options.py	50.00%	2 Missing ⚠️
holoviews/ipython/widgets.py	0.00%	2 Missing ⚠️
holoviews/core/data/dictionary.py	0.00%	1 Missing ⚠️
holoviews/core/data/pandas.py	0.00%	1 Missing ⚠️
holoviews/core/data/spatialpandas.py	0.00%	1 Missing ⚠️
holoviews/core/ndmapping.py	50.00%	1 Missing ⚠️
holoviews/core/util.py	0.00%	1 Missing ⚠️
holoviews/element/tabular.py	0.00%	1 Missing ⚠️
... and 3 more

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6459   +/-   ##
=======================================
  Coverage   88.50%   88.50%           
=======================================
  Files         323      323           
  Lines       68631    68651   +20     
=======================================
+ Hits        60741    60762   +21     
+ Misses       7890     7889    -1     

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