AZP: update container version in CI matrix

[Andersson007]

SUMMARY

• Needs to be updated from 6.0.0 to 7.0.0
• Needs backporting
• After that, check corresponding check boxes in https://forum.ansible.com/t/azure-pipelines-test-container-update/44171?u=andersson007

[Andersson007]

@hunleyd would you like to tackle this one too? If no, just ignore the message. Thanks