chore(deps): update dependency fluentd to v1.19.1 (main) (#19740)

Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
Co-authored-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

clients/cmd/fluentd/docker/Gemfile

@@ -2,5 +2,5 @@
 
 source 'https://rubygems.org'
 
-gem 'fluentd', '1.19.0'
+gem 'fluentd', '1.19.1'
 gem 'fluent-plugin-multi-format-parser', '~>1.1.0'