Land rapid7#19476, Bump version of framework to 6.4.28

Author: cgranleese-r7

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    metasploit-framework (6.4.27)
+    metasploit-framework (6.4.28)
       aarch64
       abbrev
       actionpack (~> 7.0.0)

lib/metasploit/framework/version.rb

@@ -32,7 +32,7 @@ def self.get_hash
         end
       end
 
-      VERSION = "6.4.27"
+      VERSION = "6.4.28"
       MAJOR, MINOR, PATCH = VERSION.split('.').map { |x| x.to_i }
       PRERELEASE = 'dev'
       HASH = get_hash