Chore/149 drop python3.9

[chrisbc]

TODO: update to latest nzshm-common once GNS-Science/nzshm-common-py#71 is merged/published

• closes CHORE: nzshm-model drop python 3.9 support #149
• update pyproject.toml for PEP508
• ensure workflows use minimum install footprints
• drop python <3.10
• add safety and pip-audit
• update poetry.lock
• bump version 0.14.0
• update to nzshm-common@0.9.0

[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 87.63%. Comparing base (145d152) to head (04896e8).
⚠️ Report is 10 commits behind head on main.

Files with missing lines	Patch %	Lines
nzshm_model/logic_tree/correlation.py	0.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #150      +/-   ##
==========================================
+ Coverage   87.53%   87.63%   +0.09%     
==========================================
  Files          35       35              
  Lines        1717     1714       -3     
  Branches      216      218       +2     
==========================================
- Hits         1503     1502       -1     
+ Misses        173      169       -4     
- Partials       41       43       +2     

Flag	Coverage Δ
unittests	87.63% <33.33%> (+0.09%)	⬆️

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[voj]

LGTM