Sending semtype changes to master #8751

Job	Run time
Build Ballerina Lang	7m 28s
Build Ballerina Distribution	2h 0m 13s
Build Stdlib Level (3)	8m 49s
Build Stdlib Level (1)	4m 21s
Build Stdlib Level (4)	17m 10s
Build Stdlib Level (2)	12m 17s
Build Stdlib Level (5)	32m 43s
Build Stdlib Level (6)	25m 31s
Build Stdlib Level (7)	2h 0m 13s
Build Stdlib Level (8)	41m 56s
Build Stdlib Level (9)	4m 31s
	6h 35m 12s

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