circle 0.7.3

## Cran Repository Policy

- [x] Reviewed CRP last edited 2024-04-04.

See changes at https://github.com/eddelbuettel/crp/compare/master@%7B2022-07-26%7D...master@%7B2024-04-04%7D

## R CMD check results

- [x] Checked locally, R 4.4.1
- [x] Checked on CI system, R 4.4.1
- [x] Checked on win-builder, R devel

Check the boxes above after successful execution and remove this line. Then run `fledge::release()`.

## Current CRAN check results

- [x] Checked on 2024-07-31, problems found: https://cran.r-project.org/web/checks/check_results_circle.html
- [x] WARN: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc, r-devel-linux-x86_64-fedora-clang, r-devel-linux-x86_64-fedora-gcc, r-devel-windows-x86_64
     Missing or unexported object: ‘usethis::github_token’

Check results at: https://cran.r-project.org/web/checks/check_results_circle.html
