Fix coc link in README

Link to the dev web site for now.

[ci skip]

Author: gaborcsardi

README.Rmd

@@ -198,7 +198,7 @@ and also in the installed package: `help(package = "cli")`.
 ## Code of Conduct
 
 Please note that the cli project is released with a
-[Contributor Code of Conduct](https://cli.r-lib.org/CODE_OF_CONDUCT.html).
+[Contributor Code of Conduct](https://cli.r-lib.org/dev/CODE_OF_CONDUCT.html).
 By contributing to this project, you agree to abide by its terms.
 
 # License

README.md

@@ -193,7 +193,7 @@ and also in the installed package: `help(package = "cli")`.
 ## Code of Conduct
 
 Please note that the cli project is released with a [Contributor Code of
-Conduct](https://cli.r-lib.org/CODE_OF_CONDUCT.html). By contributing to
+Conduct](https://cli.r-lib.org/dev/CODE_OF_CONDUCT.html). By contributing to
 this project, you agree to abide by its terms.
 
 # License