Update dependencies - #81

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v2. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Logger.warn/1 is deprecated. Use Logger.warning/2 instead

type variable 'State' is only used once (is unbound)

System.stacktrace/0 is deprecated. Use __STACKTRACE__ instead

Application.get_env/2 is discouraged in the module body, use Application.compile_env/3 instead

Application.get_env/3 is discouraged in the module body, use Application.compile_env/3 instead