guard against any error in stderr logging

io errors, re-assigment

Author: dingsdax

sentry-ruby/lib/sentry/utils/logging_helper.rb

@@ -35,6 +35,8 @@ def sdk_logger
     # @!visibility private
     def log_to_stderr(error, message)
       $stderr.puts("Sentry SDK logging failed (#{error.class}: #{error.message}): #{message}".scrub(%q(<?>)))
+    rescue StandardError
+      # swallow everything – logging must never crash the app
     end
   end
 end