[RELEASE] Released version 2.8-dev0

Released version 2.8-dev0 with the following main changes :
    - MINOR: version: mention that it's development again
diff --git a/CHANGELOG b/CHANGELOG
index ad96488..8f29cdf 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,9 @@
 ChangeLog :
 ===========
 
+2022/12/01 : 2.8-dev0
+    - MINOR: version: mention that it's development again
+
 2022/12/01 : 2.7.0
     - MINOR: ssl: forgotten newline in error messages on ca-file
     - BUG/MINOR: ssl: shut the ca-file errors emitted during httpclient init
diff --git a/VERSION b/VERSION
index 24ba9a3..3a18b82 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.7.0
+2.8-dev0
diff --git a/doc/configuration.txt b/doc/configuration.txt
index a5d1143..874be63 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -2,7 +2,7 @@
                                 HAProxy
                           Configuration Manual
                          ----------------------
-                              version 2.7
+                              version 2.8
                               2022/12/01
 
 
diff --git a/doc/intro.txt b/doc/intro.txt
index 93f4758..a3d1c31 100644
--- a/doc/intro.txt
+++ b/doc/intro.txt
@@ -1,7 +1,7 @@
                              -----------------------
                               HAProxy Starter Guide
                              -----------------------
-                                   version 2.7
+                                   version 2.8
 
 
 This document is an introduction to HAProxy for all those who don't know it, as
diff --git a/doc/management.txt b/doc/management.txt
index d68c124..c93bff5 100644
--- a/doc/management.txt
+++ b/doc/management.txt
@@ -1,7 +1,7 @@
                              ------------------------
                              HAProxy Management Guide
                              ------------------------
-                                   version 2.7
+                                   version 2.8
 
 
 This document describes how to start, stop, manage, and troubleshoot HAProxy,
diff --git a/include/haproxy/version.h b/include/haproxy/version.h
index 73a00db..0e5c32c 100644
--- a/include/haproxy/version.h
+++ b/include/haproxy/version.h
@@ -33,7 +33,7 @@
 #ifdef  CONFIG_PRODUCT_BRANCH
 #define PRODUCT_BRANCH    CONFIG_PRODUCT_BRANCH
 #else
-#define PRODUCT_BRANCH   "2.7"
+#define PRODUCT_BRANCH   "2.8"
 #endif
 
 #ifdef  CONFIG_PRODUCT_STATUS