Deprecate Napari

[LLehner]

Add @deprecate decorator to various functions and classes.

[giovp]

just seeing this, I think it's enough to just put it in the entry point so theinteractive class.

[giovp]

@LLehner it seems the deprecated module is missing from dependency, can you add and re-test, thanks!

[codecov-commenter]

Codecov Report

Merging #738 (8e35ba8) into main (9eca4a7) will decrease coverage by 2.30%.
The diff coverage is 38.88%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #738      +/-   ##
==========================================
- Coverage   72.21%   69.92%   -2.30%     
==========================================
  Files          39       39              
  Lines        5442     5476      +34     
  Branches     1019     1018       -1     
==========================================
- Hits         3930     3829     -101     
- Misses       1226     1358     +132     
- Partials      286      289       +3     

Files	Coverage Δ
src/squidpy/pl/_interactive/interactive.py	54.16% <100.00%> (+3.10%)	⬆️
src/squidpy/im/_container.py	85.42% <0.00%> (ø)
src/squidpy/pl/_interactive/_widgets.py	2.43% <50.00%> (-27.89%)	⬇️
src/squidpy/_utils.py	56.29% <35.48%> (-5.38%)	⬇️

... and 3 files with indirect coverage changes