chore(deps): update dependency cocoapods to v1.15.2

Author: renovate-bot

example/Gemfile.lock

@@ -76,7 +76,7 @@ GEM
     i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     json (2.7.2)
-    minitest (5.23.0)
+    minitest (5.23.1)
     molinillo (0.8.0)
     mutex_m (0.2.0)
     nanaimo (0.3.0)