[submodule] Update submodule sonic-utilities to the matofeder/fix_bgp_peer branch

The matofeder/fix_bgp_peer branch contains PR#20333 [frrcfgd] Support
configuring source IPv6 for routes.
refer to: sonic-net/sonic-buildimage#20333

Signed-off-by: Matej Feder <[email protected]>

Author: matofeder

.gitmodules

@@ -30,7 +30,8 @@
 	url = https://github.com/p4lang/ptf.git
 [submodule "src/sonic-utilities"]
 	path = src/sonic-utilities
-	url = https://github.com/sonic-net/sonic-utilities
+	url = https://github.com/matofeder/sonic-utilities
+	branch = fix_bgp_peer
 [submodule "platform/broadcom/sonic-platform-modules-arista"]
 	path = platform/broadcom/sonic-platform-modules-arista
 	url = https://github.com/aristanetworks/sonic