Release version 3.2.0

[gaborcsardi]

• devtools::check_win_devel()
• rhub::check_for_cran()
• revdepcheck::revdep_check(num_workers = 4)
• Polish NEWS
• If new failures, update email.yml then revdepcheck::revdep_email_maintainers()
• Bump version (in DESCRIPTION and NEWS)
• devtools::check_win_devel() (again!)
• devtools::submit_cran()
• pkgdown::build_site()
• Approve email
• Tag release
• Bump dev version
• Write blog post
• Tweet

r-lib/usethis#338

Extra for processx:

• rhub::check(platform = "solaris-x86-patched")
• rhub::check(platform = "ubuntu-rchk")