Upkeep for devtools

[ateucher]

2023

Posit updates:

• [x] Update copyright holder in DESCRIPTION: person(given = "Posit Software, PBC", role = c("cph", "fnd"))
• [x] Double check license file uses '[package] authors' as copyright holder. Run use_mit_license()
• [x] Update email addresses @rstudio.com -> @posit.co
• [x] usethis::use_tidy_coc()
• [x] Review 2022 checklist to see if you completed the pkgdown updates
• [x] Update logo (https://github.com/rstudio/hex-stickers); run use_tidy_logo()
• [x] Use pak::pak("org/pkg") in README
• [x] Consider running use_tidy_dependencies() and/or replace compat files with use_standalone()
• [x] #2504
• [x] Add alt-text to pictures, plots, etc; see https://posit.co/blog/knitr-fig-alt/ for examples
• [x] use_tidy_github_actions()