feat: Upgrade Ubuntu version for provisioning tests. #730

Job	Run time
run_ci (ubuntu-24.04, 3.11, discovery+lms+forum)	21m 38s
run_ci (ubuntu-24.04, 3.11, registrar+lms)	15m 29s
run_ci (ubuntu-24.04, 3.11, ecommerce+lms)	21m 19s
run_ci (ubuntu-24.04, 3.11, edx_notes_api+lms)	17m 45s
run_ci (ubuntu-24.04, 3.11, credentials+lms)	17m 32s
run_ci (ubuntu-24.04, 3.11, xqueue)	2m 14s
run_ci (ubuntu-24.04, 3.11, analyticsapi+insights+lms)	21m 39s
run_ci (ubuntu-24.04, 3.11, designer+lms)	16m 16s
run_ci (ubuntu-24.04, 3.11, enterprise-subsidy+enterprise-catalog+enterprise-access+lms)	22m 57s
run_ci (ubuntu-24.04, 3.11, license-manager+lms)	15m 50s
	2h 52m 39s

Provide feedback