Update address for CLA

Author: cderv

.github/CONTRIBUTING.md

@@ -13,10 +13,8 @@ You can contribute in many ways:
 
 1.  [Fork](https://github.com/rstudio/rticles/fork) the repository and make your changes in a new branch specific to the PR. It is ok to edit a file in this repository using the `Edit` button on Github if the change is simple enough.
 
-2. For significant changes (e.g not required for fixing typos), ensure that you have signed the [individual](https://www.rstudio.com/wp-content/uploads/2014/06/rstudioindividualcontributoragreement.pdf) or [corporate](https://www.rstudio.com/wp-content/uploads/2014/06/rstudiocorporatecontributoragreement.pdf) contributor agreement as appropriate. You can send the signed copy to <jj@posit.co>.
+2. For significant changes (e.g not required for fixing typos), ensure that you have signed the [individual](https://posit.co/wp-content/uploads/2023/04/2023-03-13_TC_Indiv_contrib_agreement.pdf) or [corporate](https://posit.co/wp-content/uploads/2023/04/2023-03-13_TC_Corp_contrib_agreement.pdf) contributor agreement as appropriate. You can send the signed copy to <contribute@posit.co>.
 
 3.  Submit the [pull request](https://help.github.com/articles/using-pull-requests). It is ok to submit as draft if you are still working on it but would like some feedback from us. It always good to share in the open that you are working on it.
 
-4. You will be asked to check that you're PR meets some requirements. See the [PR template](https://pkgs.rstudio.com/rticles/PULL_REQUEST_TEMPLATE.html).
-
 We'll try to be as responsive as possible in reviewing and accepting pull requests. Appreciate your contributions very much!

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,7 +2,7 @@
 
 To contribute a new article template to this package, please make sure you have done the following things (note that `journalname_article` below is only an example name):
 
-- [ ] This project uses a Contributor Licence Agreement (CLA) that you'll be asked to sign when opening a PR. This is required for a significant pull request (it is fine not to sign it if a PR is only intended to fix a few typos). Unless you have done it in any other RStudio / Posit projects before, sign the individual or corporate contributor agreement as appropriate. You can send the signed copy to <jj@posit.co>.
+- [ ] This project uses a Contributor Licence Agreement (CLA) that you'll be asked to sign when opening a PR. This is required for a significant pull request (it is fine not to sign it if a PR is only intended to fix a few typos). Unless you have done it in any other RStudio / Posit projects before, sign the individual or corporate contributor agreement as appropriate. You can send the signed copy to <contribute@posit.co>.
 
 - [ ] Add the `journalname_article()` function to `R/article.R` if the output format is simple enough, otherwise create a separate `R/journalname_article.R`.