Update .htaccess (#9001)

.htaccess will work on both apache v2.2 and v2.4 (without this change, on upgrade, an internal error on the server occurs)

Author: sigmoidal

.htaccess

@@ -5,7 +5,15 @@
 
     # Make sure .env files not not browseable if in a sub-directory.
     <FilesMatch "\.env$">
-    Deny from all
+       # Apache 2.2
+       <IfModule !authz_core_module>
+          Deny from all
+       </IfModule>
+       
+       # Apache 2.4+
+       <IfModule authz_core_module>
+          Require all denied
+       </IfModule>
     </FilesMatch>
 
 </IfModule>