Merge pull request #2 from Aesthetikx/aesthetikx-strftime

Use `strftime` Directly

Author: technicalpickles

lib/singed/flamegraph.rb

@@ -53,7 +53,7 @@ def open_command
     end
 
     def self.generate_filename(label: nil, time: Time.now) # rubocop:disable Rails/TimeZone
-      formatted_time = time.to_formatted_s(:number)
+      formatted_time = time.strftime('%Y%m%d%H%M%S')
       basename_parts = ['speedscope', label, formatted_time].compact
 
       file = Singed.output_directory.join("#{basename_parts.join('-')}.json")