feat: add opt-in tracemalloc Python heap metrics (AI-Triage PR) #4442

Job	Run time
Get Changes	4s
Check: source-shopify	1h 13m 6s
Check: source-hardcoded-records	2m 40s
Check: source-intercom	4m 51s
Skipped Check: source-google-drive	3s
Check: destination-motherduck	3m 12s
Check: source-pokeapi	2m 7s
	1h 26m 3s

Provide feedback