[20230623.2] Update Ubuntu base image (sha256:ad0b9707323f9b9be555a08d45b09504b8a67f2a889c90e3d42061c50c6ef441)

Summary

Request to update an application in Iron Bank.Version: ubuntu@sha256:ad0b9707323f9b9be555a08d45b09504b8a67f2a889c90e3d42061c50c6ef441/cc @cjdc @virtustom## TasksContributor:- [x] Update Dockerfile, hardening_manifest.yaml and adhere to Iron Bank requirements- [x] Ensure container builds successfully in the Iron Bank pipeline prior to creating an Merge Request to Development.- [ ] Provide justifications for findings in the VAT- [x] Open a Merge Request from your branch to development (#42)- [x] Apply the ~"Hardening::Review" label to this issue and wait for feedback###### ***Note: You must manually apply the ~"Hardening::Review" label in order to have a CHT member review your merge request.***Iron Bank:- [ ] Merge contributor branch to development- [ ] Review findings and justifications- [ ] Merge development to master and close issue> Note: If the above process is rejected for any reason, the Hardening::Verification label will be removed and the issue will be sent back to Open. Any comments will be listed in this issue for you to address. Once they have been addressed, you must re-add the Hardening::Verification label.## Questions?Contact the Iron Bank team by commenting on this issue with your questions or concerns. If you do not receive a response, add /cc @ironbank-notifications/onboarding.Additionally, Iron Bank hosts an AMA working session every Wednesday from 1630-1730EST to answer questions.Please read the Iron Bank Documentation for more info/label ContainerUpdate