Bitbucket REPO_TOKEN update (#205)

* Bitbucket REPO_TOKEN update

* lint fix

* prettier

* mention permissions

* lint

* Remove stray comma

* Restore Oxford comma

Co-authored-by: Casper da Costa-Luis <casper.dcl@physics.org>
Co-authored-by: Helio Machado <0x2b3bfa0+git@googlemail.com>

Author: 3 people

content/docs/self-hosted-runners.md

@@ -312,9 +312,9 @@ variable with a Base64 encoded username and password.
 
 Use either:
 
-- your user access credentials (consider using
-  [Bitbucket Cloud App Passwords](https://support.atlassian.com/bitbucket-cloud/docs/app-passwords),
-  or
+- your username and a
+  [Bitbucket Cloud App Password](https://bitbucket.org/account/settings/app-passwords/)
+  with `Write` permission for Pull requests, Pipelines, and Runners, or
 - create a designated "CI/CD" _bot account_ for CML authentication. Bot accounts
   are the same as normal user accounts, with the only difference being the
   intended use case: you limit the account to only access the repositories where