feat: enable debug mode for LMS in devstack #1145

Job	Run time
run_ci (ubuntu-latest, 3.11, xqueue)	1m 36s
run_ci (ubuntu-latest, 3.11, credentials+lms)	3m 23s
run_ci (ubuntu-latest, 3.11, enterprise-subsidy+enterprise-catalog+enterprise-access+lms)	3m 56s
run_ci (ubuntu-latest, 3.11, registrar+lms)	3m 33s
run_ci (ubuntu-latest, 3.11, discovery+lms+forum)	3m 12s
run_ci (ubuntu-latest, 3.11, license-manager+lms)	3m 11s
run_ci (ubuntu-latest, 3.11, ecommerce+lms)	3m 12s
run_ci (ubuntu-latest, 3.11, designer+lms)	3m 7s
run_ci (ubuntu-latest, 3.11, analyticsapi+insights+lms)	3m 26s
run_ci (ubuntu-latest, 3.11, edx-exams+lms)	2m 58s
run_ci (ubuntu-latest, 3.11, edx_notes_api+lms)	3m 30s
	35m 4s

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