Tests

Bump minimum versions for downgrade CI compatibility #166

Job	Run time
Tests (pre, Core) / Tests - Core	5m 57s
Tests (pre, Downstream) / Tests - Downstream	18m 24s
Tests (lts, Core) / Tests - Core	4m 19s
Tests (1, Downstream) / Tests - Downstream	16m 42s
Tests (1, Core) / Tests - Core	5m 59s
Tests (lts, Downstream) / Tests - Downstream	9m 52s
	1h 1m 13s

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