Update README.md

Signed-off-by: HomeSec explorer <161224114+HomeSecExplorer@users.noreply.github.com>

Author: HomeSecExplorer

README.md

@@ -46,6 +46,7 @@ Each cloudflared service instance runs on its own port and configuration, allowi
 | Debian | 11 | :white_circle: | :repeat: |  |
 | Ubuntu | 24.04 | :white_check_mark: | :repeat: |  |
 | Ubuntu | 22.04 | :white_circle: | :repeat: |  |
+| Rocky | 9 | :white_check_mark: | :repeat: |  |
 
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