docs: Recommend pak::pak()

Author: krlmlr

.github/CONTRIBUTING.md

@@ -20,8 +20,9 @@ See our guide on [how to create a great issue](https://code-review.tidyverse.org
 
 *   Fork the package and clone onto your computer. If you haven't done this before, we recommend using `usethis::create_from_github("tidyverse/duckplyr", fork = TRUE)`.
 
-*   Install all development dependencies with `devtools::install_dev_deps()`, and then make sure the package passes R CMD check by running `devtools::check()`. 
-    If R CMD check doesn't pass cleanly, it's a good idea to ask for help before continuing. 
+*   Install all development dependencies with `pak::pak()`, and then make sure the package passes R CMD check by running `devtools::check()`. 
+    If R CMD check doesn't pass cleanly, it's a good idea to ask for help before continuing.
+
 *   Create a Git branch for your pull request (PR). We recommend using `usethis::pr_init("brief-description-of-change")`.
 
 *   Make your changes, commit to git, and then create a PR by running `usethis::pr_push()`, and following the prompts in your browser.