Makefile: Add the randomizeAllSpecs ginkgo flag to the e2e-job target

Update the Makefile `e2e-job` target and add the --randomizeAllSpecs
ginkgo flag. This should help weed out any state flakes when tests are
run in completely random order.

Author: timflannagan

Makefile

@@ -30,7 +30,7 @@ unit-test:
 e2e: e2e-job
 
 e2e-job:
-	go test -v -race -failfast -timeout 90m ./test/e2e/...
+	go test -v -race -failfast -timeout 90m ./test/e2e/... --ginkgo.randomizeAllSpecs
 
 install-olm-crds:
 	kubectl apply -f https://github.com/operator-framework/operator-lifecycle-manager/releases/download/v0.17.0/crds.yaml