Prepare 11.15.0 release (#3369) · gazebosim/gazebo-classic@9aefb58

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v2, conda-incubator/setup-miniconda@v2. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Run conda-incubator/setup-miniconda@v2

Mambaforge is now deprecated! Future Miniforge releases will NOT build Mambaforge installers. We advise you switch to Miniforge at your earliest convenience. More details at https://conda-forge.org/news/2024/07/29/sunsetting-mambaforge/. If you require Mambaforge, you may pin your installer to one found in https://github.com/conda-forge/miniforge/releases/tag/24.7.1-0

Run conda-incubator/setup-miniconda@v2

'powershell' is not recognized as an internal or external command, operable program or batch file.

Run conda-incubator/setup-miniconda@v2

'powershell' is not recognized as an internal or external command, operable program or batch file.

Run conda-incubator/setup-miniconda@v2