Add CSV format output

[hugovk]

Fixes #110.

Add CSV format output.

For example:

$ eol python --format csv
"cycle","release","latest","latest release","eol"
"3.11","2022-10-24","3.11.0","2022-10-24","2027-10-24"
"3.10","2021-10-04","3.10.8","2022-10-11","2026-10-04"
"3.9","2020-10-05","3.9.15","2022-10-11","2025-10-05"
"3.8","2019-10-14","3.8.15","2022-10-11","2024-10-14"
"3.7","2018-06-26","3.7.15","2022-10-10","2023-06-27"
"3.6","2016-12-22","3.6.15","2021-09-03","2021-12-23"
"3.5","2015-09-12","3.5.10","2020-09-05","2020-09-13"
"3.4","2014-03-15","3.4.10","2019-03-18","2019-03-18"
"3.3","2012-09-29","3.3.7","2017-09-19","2017-09-29"
"2.7","2010-07-03","2.7.18","2020-04-19","2020-01-01"
"2.6","2008-10-01","2.6.9","2013-10-29","2013-10-29"

[codecov[bot]]

Codecov Report

Merging #111 (c3be552) into main (eb1735c) will increase coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #111      +/-   ##
==========================================
+ Coverage   95.33%   95.34%   +0.01%     
==========================================
  Files           9        9              
  Lines         386      387       +1     
==========================================
+ Hits          368      369       +1     
  Misses         18       18              

Flag	Coverage Δ
macos-latest	95.34% <100.00%> (+0.01%)	:arrow_up:
ubuntu-latest	95.34% <100.00%> (+0.01%)	:arrow_up:
windows-latest	95.34% <100.00%> (+0.01%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/norwegianblue/__init__.py	98.55% <ø> (ø)
src/norwegianblue/cli.py	0.00% <ø> (ø)
tests/test_norwegianblue.py	100.00% <ø> (ø)
tests/data/expected_output.py	100.00% <100.00%> (ø)

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[adriens]

:open_mouth: OMG, AMAZING :heavy_heart_exclamation: U rock @hugovk :muscle:

[hugovk]

You're welcome, and released! https://github.com/hugovk/norwegianblue/releases/tag/0.10.0 🚀

[adriens]

Awesome :heavy_heart_exclamation:

[adriens]

See for final user test :smile_cat:

https://github.com/hugovk/norwegianblue/issues/110#issuecomment-1305375311