The following artifacts were uploaded using a version of actions/upload-artifact that is scheduled for deprecation: "ldk-java.jar", "ldk-java-leaktracking.jar", "LDK-release.aar", "org.ldk.nupkg". Please update your workflow to use v4 of the artifact actions. Learn more: https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/

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/