Skip sentry.message.template when there are no parameters#2700

solnic merged 2 commits intomastergetsentry/sentry-ruby:masterfrom

2691-make-sure-the-ruby-sdk-only-set-sentrymessagetemplate-on-logs-if-sentrymessageparameter-values-are-also-definedgetsentry/sentry-ruby:2691-make-sure-the-ruby-sdk-only-set-sentrymessagetemplate-on-logs-if-sentrymessageparameter-values-are-also-definedCopy head branch name to clipboard