Bump package version

Calls the following functions:

1. update_news()

2. update_version(), using the which argument

3. Depending on the which argument:

   • If "dev", finalize_version() with push = FALSE

   • Otherwise, commit_version().

bump_version(which = "dev")

Arguments

which	Component of the version number to update. Supported values are "dev" (default), "patch", "minor" and "major".