61693b4db3
update documentation to mention protected fields (#114809)
* update documentation to mention protected fields
* alerting docs: add protected field info for grafana cloud
add protected field info for grafana cloud
* prettier
* link fix
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(cherry picked from commit 0aeb4feef3)
Co-authored-by: Johnny Kartheiser <140559259+JohnnyK-Grafana@users.noreply.github.com>
Co-authored-by: Yuri Tseretyan <yuriy.tseretyan@grafana.com>