Fix several Node.js 12 deprecation warnings in our github actions. Note that the coveralls action still has the deprecation warning [1] and the fix must be done within their plugin.
Coverage remained the same at 89.71% when pulling e120d0d7311b7006419f968db0da892f4e4303af on drakenclimber:fixwarning into 96989965042a515a3cbcb50e9b98243b9b7d4c37 on seccomp:main.
Fix several Node.js 12 deprecation warnings in our github actions. Note that the coveralls action still has the deprecation warning [1] and the fix must be done within their plugin.
[1] https://github.com/coverallsapp/github-action/issues/132