Tests

Remove Invalidations.yml GitHub action workflow #177

Job	Run time
Tests (pre, Core) / Tests - Core	6m 10s
Tests (lts, Downstream) / Tests - Downstream	9m 57s
Tests (1, Core) / Tests - Core	6m 7s
Tests (pre, Downstream) / Tests - Downstream	39s
Tests (1, Downstream) / Tests - Downstream	17m 9s
Tests (lts, Core) / Tests - Core	4m 43s
	44m 45s

Provide feedback