scripts/setup.py: add Fedora 34

I'm not yet aware of anything special that needs to be installed for
this version.

Signed-off-by: Nadav Har'El <nyh@scylladb.com>
Message-Id: <20210614062057.1998552-13-nyh@scylladb.com>

scripts/setup.py

@@ -125,7 +125,14 @@ class Fedora_33(object):
         ec2_post_install = None
         version = '33'
 
-    versions = [Fedora_27, Fedora_28, Fedora_29, Fedora_30, Fedora_31, Fedora_32, Fedora_33]
+    class Fedora_34(object):
+        packages = []
+        ec2_packages = []
+        test_packages = []
+        ec2_post_install = None
+        version = '34'
+
+    versions = [Fedora_27, Fedora_28, Fedora_29, Fedora_30, Fedora_31, Fedora_32, Fedora_33, Fedora_34]
 
 class RHELbased(Fedora):
     name = ['Scientific Linux', 'NauLinux', 'Red Hat Enterprise Linux', 'Oracle Linux']