plugin_proxy: enable event_type specification for proxy plugins (4.1 Backport)#11242

jmccormick7 wants to merge 4 commits intofluent:4.1fluent/fluent-bit:4.1from

jmccormick7:enable-go-metric-plugins-4.1-backportjmccormick7/fluent-bit:enable-go-metric-plugins-4.1-backportCopy head branch name to clipboard