Bootstrap an renv installation, making the requested version of
renv available for projects on the system.
bootstrap(version = NULL)The version of renv to install. If NULL, the version
of renv currently installed will be used. The requested version of
renv will be retrieved from the renv public GitHub repository,
at https://github.com/rstudio/renv.
Normally, this function does not need to be called directly by the user; it
will be invoked as required by init() and activate().