The closing fence on line 501 ("````") in R-Graphics-Cookbook-2e.Rmd does not match the opening fence "```" on line 497. You are recommended to fix either the opening or closing fence of the code chunk to use exactly the same numbers of backticks and same level of indentation (or blockquote). See https://yihui.org/en/2021/10/unbalanced-delimiters/ for more info.

Process completed with exit code 1.

Your workflow is using a version of actions/cache that is scheduled for deprecation, actions/cache@v1. Please update your workflow to use the latest version of actions/cache to avoid interruptions. Learn more: https://github.blog/changelog/2024-09-16-notice-of-upcoming-deprecations-and-changes-in-github-actions-services/

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/