Docs: update AWS temporary credentials documentation (#12196)

It was decided to use this name for the role in dev.

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- User's documentation (`docs`):
https://docs--12196.org.readthedocs.build/12196/

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- Developer's documentation (`dev`):
https://dev--12196.org.readthedocs.build/12196/

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Author: stsewd

docs/dev/aws-temporary-credentials.rst

@@ -22,8 +22,8 @@ You can use :ref:`environment variables <settings:AWS configuration>` to set the
 
 .. note::
 
-   If you are part of the development team, you should be able to use the credentials from the ``storage-dev``` user,
-   which is already configured to make use of STS, and the ARN from the ``RTDSTSAssumeRoleDev`` role.
+   If you are part of the development team, you should be able to use the credentials from the ``storage-dev`` user,
+   which is already configured to make use of STS, and the ARN from the ``builder-dev`` role.
 
 .. note::