Change action `jitterbit/get-changed-files` to use native git commands instead?

[o-l-a-v]

Action jitterbit/get-changed-files in auto-publish-in-azure.yml seems deprecated, and might stop working due to changes to GitHub actions. More here:

• https://github.com/jitterbit/get-changed-files/issues/65

Consider using git native commands instead, like suggested here:

• https://github.com/jitterbit/get-changed-files/issues/65#issuecomment-1535302279