Sending semtype changes to master #8765

Job	Run time
Build Ballerina Lang	7m 27s
Build Ballerina Distribution	2h 0m 13s
Build Stdlib Level (1)	3m 46s
Build Stdlib Level (2)	11m 55s
Build Stdlib Level (3)	10m 9s
Build Stdlib Level (4)	15m 41s
Build Stdlib Level (5)	42m 15s
Build Stdlib Level (6)	2h 0m 13s
Build Stdlib Level (7)	2h 0m 15s
Build Stdlib Level (8)	43m 44s
Build Stdlib Level (9)	4m 33s
	8h 20m 11s

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