fix: upgrade to Python 3.11

[huksley]

Upgrades miniconda and etc references to use Python 3.11 instead of Python 3.10. Designed to fix #8090

Tested (run the relevant ones):

• [x] Code formatting: install pre-commit (auto-check on commit) or bash format.sh
• [ ] Any manual or new tests for this PR (please specify below)
• [ ] All smoke tests: /smoke-test (CI) or pytest tests/test_smoke.py (local)
• [ ] Relevant individual tests: /smoke-test -k test_name (CI) or pytest tests/test_smoke.py::test_name (local)
• [ ] Backward compatibility: /quicktest-core (CI) or pytest tests/smoke_tests/test_backward_compat.py (local)

[huksley]

Could you take a look @Michaelvll ? What should I check?

[Michaelvll]

/smoke-test --kubernetes

[huksley]

Hi @Michaelvll how I can see what was wrong with /smoke-test --kubernetes and fix it? I am interested to help!