build: use codespell to check common typo in python files

[12rambau]

• apply codespell
• correct all the identified errors
• update planet mosaic tests

[codecov]

Codecov Report

Merging #833 (06bda02) into main (00a9267) will increase coverage by 0.19%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #833      +/-   ##
==========================================
+ Coverage   96.32%   96.52%   +0.19%     
==========================================
  Files          39       39              
  Lines        3567     3767     +200     
==========================================
+ Hits         3436     3636     +200     
  Misses        131      131              

Impacted Files	Coverage Δ
sepal_ui/aoi/aoi_tile.py	100.00% <ø> (ø)
sepal_ui/frontend/resize_trigger.py	100.00% <ø> (ø)
sepal_ui/frontend/styles.py	100.00% <ø> (ø)
sepal_ui/mapping/fullscreen_control.py	100.00% <ø> (ø)
sepal_ui/mapping/inspector_control.py	95.34% <ø> (+0.22%)	⬆️
sepal_ui/mapping/layer_state_control.py	98.00% <ø> (+0.17%)	⬆️
sepal_ui/mapping/layers_control.py	100.00% <ø> (ø)
sepal_ui/mapping/legend_control.py	93.65% <ø> (+0.54%)	⬆️
sepal_ui/mapping/menu_control.py	100.00% <ø> (ø)
sepal_ui/mapping/sepal_map.py	90.39% <ø> (+0.14%)	⬆️
... and 16 more

... and 7 files with indirect coverage changes