Docs: Update RSS feed in security page (#56439)
Docs: Update RSS feed in security page (#56439)

* Update RSS security feed

* docs: update security.md to refer to blog

* Update SECURITY.md

Co-authored-by: Richard Hartmann <36a2cbb9c455fd0cb2695cb3566bac7d68b3f4ad@users.noreply.github.com>

Co-authored-by: Daniel Lee <a7e0c887b9f328de80cf204a7fb66a81793377a5@gmail.com>
Co-authored-by: Richard Hartmann <36a2cbb9c455fd0cb2695cb3566bac7d68b3f4ad@users.noreply.github.com>
grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana