Update default CA cert

Author: anaumov

lib/generators/sorcery/templates/initializer.rb

@@ -83,7 +83,7 @@
   # config.external_providers =
 
   # You can change it by your local ca_file. i.e. '/etc/pki/tls/certs/ca-bundle.crt'
-  # Path to ca_file. By default use a internal ca-bundle.crt.
+  # Path to ca_file. By default use a internal ca-bundle.pem.
   # Default: `'path/to/ca_file'`
   #
   # config.ca_file =

lib/sorcery/controller/submodules/external.rb

@@ -46,7 +46,7 @@ def self.#{name}
 
               def merge_external_defaults!
                 @defaults.merge!(:@external_providers => [],
-                                 :@ca_file => File.join(__dir__, '../../protocols/certs/ca-bundle.crt'))
+                                 :@ca_file => File.join(__dir__, '../../protocols/certs/ca-bundle.pem'))
               end
             end
             merge_external_defaults!