Scrub signing secret helper names

Author: batuhan

…kages/cli/scripts/read-mobile-secrets.rb …ages/cli/scripts/read-signing-secrets.rbpackages/cli/scripts/read-mobile-secrets.rb renamed to packages/cli/scripts/read-signing-secrets.rb packages/cli/scripts/read-mobile-secrets.rb renamed to packages/cli/scripts/read-signing-secrets.rb

@@ -15,7 +15,7 @@
 
 missing = required.values.reject { |key| secrets[key] && !secrets[key].to_s.empty? }
 unless missing.empty?
-  warn "missing required signing-secrets keys: #{missing.join(", ")}"
+  warn "missing required signing secret keys: #{missing.join(", ")}"
   exit 1
 end