libssh: update to 0.12.0

Changelog:
- Add quantum-resistant hybrid key exchange (sntrup761x25519, mlkem
  variants)
- Add FIDO/U2F key support with libfido2 integration
- Add host-bound public key authentication and GSSAPI key exchange
- Add sshsig signing support (e.g. for git commit signing)
- Fix SFTP reliability when status messages lack error data
- Security fixes: path traversal in SCP and buffer management issues

Signed-off-by: Alexandru Ardelean <alex@shruggie.ro>
(cherry picked from commit 58369e0a5d)

libs/libssh/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libssh
-PKG_VERSION:=0.11.3
+PKG_VERSION:=0.12.0
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_SOURCE_URL:=https://www.libssh.org/files/0.11/
-PKG_HASH:=7d8a1361bb094ec3f511964e78a5a4dba689b5986e112afabe4f4d0d6c6125c3
+PKG_SOURCE_URL:=https://www.libssh.org/files/0.12/
+PKG_HASH:=1a6af424d8327e5eedef4e5fe7f5b924226dd617ac9f3de80f217d82a36a7121
 
 PKG_MAINTAINER:=
 PKG_LICENSE:=LGPL-2.1-or-later BSD-2-Clause