syslog-ng: upgrade 4.6.0 -> 4.7.0

Changelog :
https://github.com/syslog-ng/syslog-ng/releases/tag/syslog-ng-4.7.0

Dropped patch - merged in this version :
* 0001-macros-guard-ipv6-code-with-SYSLOG_NG_ENABLE_IPV6.patch

New json-c dependency fixes configure failure.

Signed-off-by: Jason Schonberg <schonm@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-oe/recipes-support/syslog-ng/files/0001-macros-guard-ipv6-code-with-SYSLOG_NG_ENABLE_IPV6.patch

@@ -1,40 +0,0 @@
-From 896d77dd949b52d6ea5798e5a038ba97d6b802be Mon Sep 17 00:00:00 2001
-From: Peter Marko <peter.marko@siemens.com>
-Date: Thu, 4 Apr 2024 15:44:18 +0200
-Subject: [PATCH] macros: guard ipv6 code with SYSLOG_NG_ENABLE_IPV6
-
-With ipv6 disabled, there are linking errors currently.
-This fixes it by not using the symbols when IPv6 is disabled.
-
-Solves #4810 with my config options
-https://github.com/openembedded/meta-openembedded/blob/2487e65ee3842b6ae0c7a2628985be6189ed9ebf/meta-oe/recipes-support/syslog-ng/syslog-ng_4.6.0.bb
-
-Upstream-Status: Submitted [https://github.com/syslog-ng/syslog-ng/pull/4880]
-
-Signed-off-by: Peter Marko <peter.marko@siemens.com>
----
- lib/template/macros.c | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/lib/template/macros.c b/lib/template/macros.c
-index 54142706c..fcb83637f 100644
---- a/lib/template/macros.c
-+++ b/lib/template/macros.c
-@@ -277,12 +277,14 @@ _get_originating_ip_protocol(const LogMessage *msg)
-     return 0;
-   if (g_sockaddr_inet_check(msg->saddr))
-     return 4;
-+#if SYSLOG_NG_ENABLE_IPV6
-   if (g_sockaddr_inet6_check(msg->saddr))
-     {
-       if (g_sockaddr_inet6_is_v4_mapped(msg->saddr))
-         return 4;
-       return 6;
-     }
-+#endif
-   return 0;
- }
- 
--- 
-2.30.2
-