fix `W__prototype` typo #345

Job	Run time
Tests (1, Core) / Tests - Core	8m 53s
Tests (1, Downstream) / Tests - Downstream	37m 32s
Tests (1, Python) / Tests - Python	19m 49s
Tests (1, QA) / Tests - QA	9m 27s
Tests (lts, Core) / Tests - Core	11m 16s
Tests (lts, Downstream) / Tests - Downstream	32m 32s
Tests (lts, Python) / Tests - Python	9m 16s
Tests (lts, QA) / Tests - QA	6m 33s
Tests (pre, Downstream) / Tests - Downstream	37m 46s
Tests (pre, Core) / Tests - Core	12m 21s
Tests (pre, Python) / Tests - Python	19m 47s
Tests (pre, QA) / Tests - QA	9m 7s
	3h 34m 19s

Provide feedback