feat: explicitly support Fedora 37 and 38 (#682)

Signed-off-by: Nejc Habjan <[email protected]>

README.md

@@ -17,7 +17,7 @@ This collection provides battle tested hardening for:
   - Ubuntu 18.04/20.04/22.04
   - Amazon Linux (some roles supported)
   - Arch Linux (some roles supported)
-  - Fedora (some roles supported)
+  - Fedora 37/38 (some roles supported)
   - Suse Tumbleweed (some roles supported)
 - MySQL
   - MariaDB >= 5.5.65, >= 10.1.45, >= 10.3.17