[RELEASE] Released version 2.4.6

Released version 2.4.6 with the following main changes :
    - BUG/MEDIUM: filters: Fix a typo when a filter is attached blocking the release
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 89a457d..a03101d 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -4,7 +4,7 @@
                          ----------------------
                               version 2.4
                              willy tarreau
-                              2021/10/01
+                              2021/10/04
 
 
 This document covers the configuration language as implemented in the version