improve: add Python 3.14 to CI test matrix and classifiers

[Coding-Dev-Tools]

Automated improvement by dev-engineer. Python 3.14 is now available (July 2026) — this PR adds it to the CI test matrix and the PyPI classifiers.

[github-actions]

🤖 Automated Code Review

✅ Ruff Lint — No issues

⚠️ Ruff Format — Formatting needed

Would reformat: click_to_mcp/__init__.py
Would reformat: click_to_mcp/__main__.py
Would reformat: click_to_mcp/_version.py
Would reformat: click_to_mcp/adapter.py
Would reformat: click_to_mcp/cli.py
Would reformat: click_to_mcp/discover.py
Would reformat: click_to_mcp/http_server.py
Would reformat: click_to_mcp/server.py
Would reformat: click_to_mcp/streamable_http.py
Would reformat: examples/api_contract_guardian_mcp.py
Would reformat: examples/quick_start.py
Would reformat: tests/test_cli_config.py
Would reformat: tests/test_cli_error_paths.py
Would reformat: tests/test_click_to_mcp.py
Would reformat: tests/test_config.py
Would reformat: tests/test_entry_points.py
Would reformat: tests/test_http_transport.py
Would reformat: tests/test_init_functions.py
Would reformat: tests/test_lint_regression.py
Would reformat: tests/test_list_tools.py
Would reformat: tests/test_main.py
Would reformat: tests/test_mcp_edge_cases.py
Would reformat: tests/test_server_stdio.py
Would reformat: tests/test_streamable_http.py
24 files would be reformatted, 6 files already formatted

✅ Secret Detection — Clean

✅ Large Files — Within limits

📊 Diff Stats — 5 file(s) changed

 .github/workflows/ci.yml |  2 +-
 CHANGELOG.md             |  1 +
 click_to_mcp/server.py   | 27 +++++++++++++--------------
 pyproject.toml           |  2 ++
 tests/__init__.py        |  1 +
 5 files changed, 18 insertions(+), 15 deletions(-)

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Verdict: ⚠️ Warnings — Lint/format issues found. Recommend fixing before merge.

Automated by Coding-Dev-Tools/.github reusable workflow.