Fix python-version in workflows (#550)

Fix python-version in workflows

chore: Bump Python minimum to 3.10, update linkml-owl to 0.5.0 (#548)

Bump project version to 1.1.0

Update configs re py 3.10 minimum

Update docs re py 3.10 minimum

Update workflows re py 3.10 minimum

Remove poetry.lock

chore: Bump Python minimum to 3.10, update linkml-owl to 0.5.0

Enforce consistent encodings throughout when loading templates (#547)

Delete src/ontogpt/classtest.py

Add tests for IO utils

Update use of encoder fallback functions throughout

Move encoding functions to the io utils

Add encoding fixes to template loader