Release torch 0.13.0

[Daniel Falbel]

Prepare for release:

• git pull
• Check current CRAN check results
• Bump required R version in DESCRIPTION to 4.0
• Polish NEWS
• urlchecker::url_check()
• devtools::build_readme()
• devtools::check(remote = TRUE, manual = TRUE)
• devtools::check_win_devel()
• revdepcheck::cloud_check()
• Update cran-comments.md
• git push
• Draft blog post
• Slack link to draft blog in #open-source-comms
• Create the cran/ branch and update the branch variable
• Uncomment the indicated line in the .RBuildignore file

Submit to CRAN:

• usethis::use_version('minor')
• devtools::submit_cran()
• Approve email

Wait for CRAN...

• Accepted 🎉
• Add preemptive link to blog post in pkgdown news menu
• usethis::use_github_release()
• usethis::use_dev_version(push = TRUE)
• Finish blog post
• Tweet