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/

variable "description" does not exist and is being expanded to "description()", please use parentheses to remove the ambiguity or change the variable name

variable "package" does not exist and is being expanded to "package()", please use parentheses to remove the ambiguity or change the variable name

variable "deps" does not exist and is being expanded to "deps()", please use parentheses to remove the ambiguity or change the variable name

Supervisor.Spec.worker/2 is deprecated. Use the new child specifications outlined in the Supervisor module instead

found quoted keyword "coveralls" but the quotes are not required. Note that keywords are always atoms, even when quoted. Similar to atoms, keywords made exclusively of ASCII letters, numbers, and underscores do not require quotes

use GenEvent is deprecated. Use one of the alternatives described in the documentation for the GenEvent module

the GenEvent module is deprecated, see its documentation for alternatives

Supervisor.Spec.worker/2 is deprecated. Use the new child specifications outlined in the Supervisor module instead

String.to_char_list/1 is deprecated. Use String.to_charlist/1 instead