🔧 Replace black/isort/pyupgrade/flake8 with ruff

[chrisjsewell]

I would say ruff is becoming the standard now, for linting and formatting, and it simplifies things a bit.

Note a lot of the changes come from the fact that I've gone from the currently (specifically) configured 120 max line length, to the the black/ruff default of 88.
I'm open to increasing this, but personally feel its best to juct stick to the default.

[ubmarco]

Thanks for the efforts, that simplifies our life

[codecov]

Codecov Report

Attention: 94 lines in your changes are missing coverage. Please review.

Comparison is base (8e2fcd6) 83.93% compared to head (f5fd112) 83.93%.

Files	Patch %	Lines
sphinx_needs/directives/needfilter.py	15.38%	11 Missing ⚠️
sphinx_needs/services/github.py	43.75%	9 Missing ⚠️
sphinx_needs/directives/needbar.py	50.00%	8 Missing ⚠️
sphinx_needs/directives/needgantt.py	62.50%	6 Missing ⚠️
sphinx_needs/directives/needuml.py	75.00%	6 Missing ⚠️
sphinx_needs/diagrams_common.py	44.44%	5 Missing ⚠️
sphinx_needs/functions/functions.py	78.26%	5 Missing ⚠️
sphinx_needs/api/need.py	66.66%	4 Missing ⚠️
sphinx_needs/directives/list2need.py	60.00%	4 Missing ⚠️
sphinx_needs/functions/common.py	33.33%	4 Missing ⚠️
... and 20 more

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1080   +/-   ##
=======================================
  Coverage   83.93%   83.93%           
=======================================
  Files          56       56           
  Lines        6461     6462    +1     
=======================================
+ Hits         5423     5424    +1     
  Misses       1038     1038           

Flag	Coverage Δ
pytests	83.93% <79.06%> (+<0.01%)	⬆️

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