Release renv 1.2.1

Prepare for release: * [x] `git pull` * [ ] Check [current CRAN check results](https://cran.rstudio.org/web/checks/check_results_renv.html) * [ ] [Polish NEWS](https://style.tidyverse.org/news.html#news-release) * [ ] `urlchecker::url_check()` * [ ] `devtools::build_readme()` * [ ] `devtools::check(remote = TRUE, manual = TRUE)` * [ ] `devtools::check_win_devel()` * [ ] Update `cran-comments.md` * [ ] `git push` Submit to CRAN: * [ ] `usethis::use_version('patch')` * [ ] `devtools::submit_cran()` * [ ] Approve email Wait for CRAN... * [ ] Accepted :tada: * [ ] `usethis::use_github_release()` * [ ] `usethis::use_dev_version(push = TRUE)`