Upgrade python and and all the dependencies

[michaelyaakoby]

Target versions of dependencies were determined using poetry show -o which
prints versions outdated and the upgrade-to version.

[michaelyaakoby]

This solves #82

[codecov-commenter]

Codecov Report

Base: 95.02% // Head: 95.08% // Increases project coverage by +0.06% 🎉

Coverage data is based on head (3f802cb) compared to base (504ccb3).
Patch coverage: 83.33% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #81      +/-   ##
==========================================
+ Coverage   95.02%   95.08%   +0.06%     
==========================================
  Files          28       28              
  Lines        1106     1140      +34     
==========================================
+ Hits         1051     1084      +33     
- Misses         55       56       +1     

Impacted Files	Coverage Δ
pyctuator/health/db_health_provider.py	82.75% <ø> (ø)
pyctuator/impl/spring_boot_admin_registration.py	82.97% <75.00%> (-0.54%)	⬇️
pyctuator/impl/flask_pyctuator.py	98.96% <100.00%> (ø)
pyctuator/impl/pyctuator_impl.py	94.89% <100.00%> (+0.27%)	⬆️
pyctuator/auth.py	100.00% <0.00%> (ø)
pyctuator/httptrace/__init__.py	100.00% <0.00%> (ø)
pyctuator/impl/pyctuator_router.py	100.00% <0.00%> (ø)
pyctuator/threads/thread_dump_provider.py	97.82% <0.00%> (+0.15%)	⬆️
pyctuator/logging/pyctuator_logging.py	93.61% <0.00%> (+0.43%)	⬆️
... and 3 more

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