fix: added comment for temporary workaround for .devcontainer build #1130

Job	Run time
run_ci (ubuntu-latest, 3.11, discovery+lms+forum)	24m 29s
run_ci (ubuntu-latest, 3.11, enterprise-subsidy+enterprise-catalog+enterprise-access+lms)	25m 48s
run_ci (ubuntu-latest, 3.11, registrar+lms)	18m 46s
run_ci (ubuntu-latest, 3.11, edx_notes_api+lms)	19m 13s
run_ci (ubuntu-latest, 3.11, xqueue)	2m 18s
run_ci (ubuntu-latest, 3.11, ecommerce+lms)	23m 21s
run_ci (ubuntu-latest, 3.11, credentials+lms)	17m 13s
run_ci (ubuntu-latest, 3.11, designer+lms)	19m 35s
run_ci (ubuntu-latest, 3.11, license-manager+lms)	17m 24s
run_ci (ubuntu-latest, 3.11, edx-exams+lms)	19m 36s
run_ci (ubuntu-latest, 3.11, analyticsapi+insights+lms)	23m 28s
	3h 31m 11s

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