chore: bump RC to rc12

Author: mdelapenya

cli/VERSION.txt

@@ -1 +1 @@
-0.1.0-rc11
+0.1.0-rc12

e2e/go.mod

@@ -5,7 +5,7 @@ go 1.12
 require (
 	github.com/cucumber/godog v0.8.1
 	github.com/elastic/go-elasticsearch/v8 v8.0.0-20190731061900-ea052088db25
-	github.com/elastic/metricbeat-tests-poc/cli v0.1.0-rc11
+	github.com/elastic/metricbeat-tests-poc/cli v0.1.0-rc12
 	github.com/onsi/ginkgo v1.10.1 // indirect
 	github.com/onsi/gomega v1.7.0 // indirect
 	github.com/sirupsen/logrus v1.4.2
@@ -14,4 +14,4 @@ require (
 
 replace github.com/testcontainers/testcontainers-go v0.0.8 => github.com/mdelapenya/testcontainers-go v0.0.9-compose-1
 
-replace github.com/elastic/metricbeat-tests-poc/cli v0.1.0-rc11 => ../cli
+replace github.com/elastic/metricbeat-tests-poc/cli v0.1.0-rc12 => ../cli