Drop Python 3.11

[mattwthompson]

Description

Closes #769

Todos

Notable points that this PR has either accomplished or will accomplish.

• TODO 1

Questions

• Question1

Status

• Ready to go

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.37%. Comparing base (112d978) to head (2ad668e).
⚠️ Report is 1 commits behind head on main.

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[mattwthompson]

@copilot anything else to do?

[Copilot]

Pull request overview

Drops Python 3.11 support across packaging and CI configuration, and aligns formatting/tools/docs examples with Python 3.12+.

Changes:

• Bump minimum supported Python to 3.12 (package metadata, docs conda env, CI matrix).
• Add Black configuration targeting Python 3.12 and update pre-commit scope/versioning.
• Reformat and tidy Kubernetes example scripts and Sphinx config import placement.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
pyproject.toml	Sets requires-python >=3.12, removes 3.11 classifier, adds Black target version.
docs/examples/kubernetes-run/server-existing.py	Import/order cleanup and formatting updates in example server script.
docs/examples/kubernetes-run/run.py	Formatting/import cleanup and minor string/CLI formatting adjustments in example runner.
docs/conf.py	Moves find_spec import to top-level for Sphinx config.
devtools/conda-envs/docs_env.yaml	Updates docs environment Python pin to 3.12.
.pre-commit-config.yaml	Expands pre-commit file scope to include docs/ and bumps pyproject-fmt.
.github/workflows/ci.yaml	Removes Python 3.11 from CI test matrix.

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