- [x] Have you followed the guidelines for contributing? - [x] Have you signed the [CLA](http://www.ubuntu.com/legal/contributors/)? - [ ] Have you successfully run `make lint && make test`? --- Migrates all GitHub Actions workflows from deprecated `macos-13` runners to `macos-15-intel`. ## Changes - **qa.yaml**: Updated both fast-test and macos-smoketest jobs to use `macos-15-intel` - **tests-weekly.yaml**: - Updated `integration-macos` and `integration-slow-macos` jobs to use `macos-15-intel` - Added `pull_request` trigger with path filter to run workflow when the workflow file itself is modified - Updated matrix Python version from 3.11 to 3.13 in both macOS test jobs - Configured uv to use Python 3.13 by setting `UV_PYTHON: ${{ matrix.python }}` in the `env` section of both macOS test jobs No Makefile changes required—existing `brew install multipass` setup already supports macOS runners. <!-- START COPILOT CODING AGENT SUFFIX --> <!-- START COPILOT ORIGINAL PROMPT --> <details> <summary>Original prompt</summary> > Create a pull request that updates the Github workflows for craft-providers to use the `macos-14-large` and `macos-15-intel` runners rather than `macos-13`. > > Do not modify any tests. If workflow setup needs to change, that must occur in the relevant target(s) of `Makefile`. > > Use conventional commits and otherwise follow the guidelines from `CONTRIBUTING.md`. </details> <!-- START COPILOT CODING AGENT TIPS --> --- ✨ Let Copilot coding agent [set things up for you](https://github.com/canonical/craft-providers/issues/new?title=✨+Set+up+Copilot+instructions&body=Configure%20instructions%20for%20this%20repository%20as%20documented%20in%20%5BBest%20practices%20for%20Copilot%20coding%20agent%20in%20your%20repository%5D%28https://gh.io/copilot-coding-agent-tips%29%2E%0A%0A%3COnboard%20this%20repo%3E&assignees=copilot) — coding agent works faster and does higher quality work when set up for your repo.