feat: Upgrade Ubuntu version for provisioning tests. #729

Job	Run time
run_ci (ubuntu-24.04, 3.11, discovery+lms+forum)	38s
run_ci (ubuntu-24.04, 3.11, registrar+lms)	40s
run_ci (ubuntu-24.04, 3.11, ecommerce+lms)	38s
run_ci (ubuntu-24.04, 3.11, edx_notes_api+lms)	41s
run_ci (ubuntu-24.04, 3.11, credentials+lms)	36s
run_ci (ubuntu-24.04, 3.11, xqueue)	39s
run_ci (ubuntu-24.04, 3.11, analyticsapi+insights+lms)	39s
run_ci (ubuntu-24.04, 3.11, designer+lms)	38s
run_ci (ubuntu-24.04, 3.11, enterprise-subsidy+enterprise-catalog+enterprise-access+lms)	40s
run_ci (ubuntu-24.04, 3.11, license-manager+lms)	37s
	6m 26s

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