[xen stable-4.20] update Xen version to 4.20.4

[patchbot@xxxxxxx]

commit 9611e26eff425be128d4b9c7b48f2bc6b5d3498e
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Jul 29 17:18:52 2026 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jul 29 17:18:52 2026 +0200

    update Xen version to 4.20.4
---
 xen/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/Makefile b/xen/Makefile
index 3e4d636a15..d9df42b1bb 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -6,7 +6,7 @@ this-makefile := $(call lastword,$(MAKEFILE_LIST))
 # All other places this is stored (eg. compile.h) should be autogenerated.
 export XEN_VERSION       = 4
 export XEN_SUBVERSION    = 20
-export XEN_EXTRAVERSION ?= .4-pre$(XEN_VENDORVERSION)
+export XEN_EXTRAVERSION ?= .4$(XEN_VENDORVERSION)
 export XEN_FULLVERSION   = $(XEN_VERSION).$(XEN_SUBVERSION)$(XEN_EXTRAVERSION)
 -include xen-version
 
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generated by git-patchbot for /home/xen/git/xen.git#stable-4.20