Echidna tests

Bump immutable from 3.8.2 to 4.3.4 #1340

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
test (18.x)	56s
test (18.x)	56s
test (20.x)	2m 41s
test (20.x)	2m 38s
	7m 11s