Merge pull request #78 from contentful/chore/increate-min-dep-target

chore: fix min deployment target for Cocoapods

Author: mariuskatcontentful

ContentfulRichTextRenderer.podspec

@@ -15,7 +15,7 @@ Pod::Spec.new do |spec|
   spec.requires_arc = true
 
   spec.swift_version = "5.2"
-  spec.ios.deployment_target = "11.0"
+  spec.ios.deployment_target = "12.4"
 
   spec.source_files = "Sources/RichTextRenderer/**/*.swift"