Bump golang.org/x/sync from 0.17.0 to 0.19.0 #1090

Job	Run time
Test Go	1m 27s
check-stubs	26s
SmokeTest: Test Go Test Harness with legacy Cog	1m 27s
Go Code Linting	43s
Check Go	27s
Test Set UID for procedure mode	1m 51s
Test Set UID cleanup in one-shot mode	1m 54s
Build & verify python package	18s
Check with Python 3.12	20s
Check with Python 3.11	21s
Test with Python 3.11	46s
Test with Python 3.9	47s
Check with Python 3.10	18s
Check with Python 3.13	21s
Test with Python 3.10	49s
Check with Python 3.9	21s
Test with Python 3.12	47s
Test with Python 3.13	48s
Release	0s
	14m 11s

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