Rerender removes Azure pipelines and switches feedstocks to GHA without equivalent CI running

### Solution to issue cannot be found in the documentation. - [x] I checked the documentation. ### Issue After rerendering two feedstocks with `conda-smithy 3.56.1`, the Azure Linux pipelines were deleted, and as a result no Linux CI ran for those PRs. Affected examples: - `lerobot-feedstock`: https://github.com/conda-forge/lerobot-feedstock/pull/8/changes/6dc956c3d5608986a36431c89fd5ed1ed960431d - `trackio-feedstock`: https://github.com/conda-forge/trackio-feedstock/pull/8/changes/18147eb889b4f2fd56cb0abfae4f2b519bd18aed In both cases, rerendering removed: - `.azure-pipelines/azure-pipelines-linux.yml` - `azure-pipelines.yml` and added relied on GitHub Actions workflow generation instead. However for these PRs no equivalent Linux CI ended up running, so the rerender effectively removed the existing CI coverage. ### Installed packages ```shell not relevant ``` ### Environment info ```shell not relevant ```