Chore/dependency updates

[JPHutchins]

No description provided.

[Copilot]

Pull Request Overview

This PR updates project dependencies and Python version support, removing support for Python 3.8 and adding support for Python 3.14. The main changes involve updating the bleak and smp packages to newer major versions and adjusting test mocks accordingly.

• Updated dependency versions for bleak (0.22.1 → 1.1.1) and smp (3.1.1 → 4.0.0)
• Extended Python support to include 3.14 while dropping 3.8 support
• Modified test mocks to accommodate API changes in the updated bleak library

Reviewed Changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tests/test_smp_ble_transport.py	Updated BLEDevice mock constructor calls to remove RSSI parameter
pyproject.toml	Updated dependency versions, Python version constraints, and configuration
.github/workflows/test.yaml	Added Python 3.14 to test matrix
.github/workflows/lint.yaml	Added Python 3.14 to lint matrix
.flake8	Added .poetry to exclude list

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}