Update Gridicons to 0.18

SergioEstevao · SergioEstevao · commit b612d4962355 · 2019-05-23T11:34:59.000+01:00
diff --git a/Example/Cartfile.private b/Example/Cartfile.private
@@ -1 +1 @@
-github "Automattic/Gridicons-iOS" "0.16"
+github "Automattic/Gridicons-iOS" "0.18"
diff --git a/Example/Cartfile.resolved b/Example/Cartfile.resolved
@@ -1 +1 @@
-github "Automattic/Gridicons-iOS" "0.16"
+github "Automattic/Gridicons-iOS" "0.18"

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-github "Automattic/Gridicons-iOS" "0.16"`
	`1`	`+github "Automattic/Gridicons-iOS" "0.18"`