Update avi_azscaleset.tf

[itlinux]

remove 16.04 Ubuntu version with the 18.04 as the 16 does not work anymore.

[vmwclabot]

@itlinux, you must sign every commit in this pull request acknowledging our Developer Certificate of Origin before your changes are merged. This can be done by adding Signed-off-by: John Doe <john.doe@email.org> to the last line of each Git commit message. The e-mail address used to sign must match the e-mail address of the Git author. Click here to view the Developer Certificate of Origin agreement.

• Commit d3d9f5c must be signed by remo@mattei.org

[itlinux]

thanks please let me know if there are any questions.

[tenthirtyam]

@itlinux, you need to ammend the commit with a sign off.

commit d3d9f5c20f23abd12630ddd386a22a1ca45b9d70 (HEAD -> pr/557, github-desktop-itlinux/patch-1)
Author: Remo Mattei <remo@mattei.org>
Date:   Fri Jul 21 18:25:36 2023 -0700

    Update avi_azscaleset.tf
    
    remove 16.04 Ubuntu version with the 18.04 as the 16 does not work anymore.

This would look like:

commit d3d9f5c20f23abd12630ddd386a22a1ca45b9d70 (HEAD -> pr/557, github-desktop-itlinux/patch-1)
Author: Remo Mattei <remo@mattei.org>
Date:   Fri Jul 21 18:25:36 2023 -0700

    Update avi_azscaleset.tf
    
    remove 16.04 Ubuntu version with the 18.04 as the 16 does not work anymore.
    
    Signed-off-by: Remo Mattei <remo@mattei.org>