Bump version to 0.5.2

Author: kishikawakatsumi

IBPCollectionViewCompositionalLayout.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name                  = 'IBPCollectionViewCompositionalLayout'
-  s.version               = '0.5.1'
+  s.version               = '0.5.2'
   s.summary               = 'Backport of UICollectionViewCompositionalLayout to earlier iOS 12.'
   s.description           = <<-DESC
                               A new UICollectionViewCompositionalLayout class has been added to UIKit to make it incredibly easier to create custom complex collection view layout.

IBPCollectionViewCompositionalLayout/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.5.1</string>
+	<string>0.5.2</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 </dict>