[renovate] Update module github.com/openconfig/ygot to v0.29.15

See merge request !608

Co-authored-by: Renovate Bot <renovate@danet.fbi.h-da.de>

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/openconfig/gnmi v0.10.0
 	github.com/openconfig/goyang v1.4.3
-	github.com/openconfig/ygot v0.29.13
+	github.com/openconfig/ygot v0.29.15
 	github.com/prometheus/client_golang v1.17.0
 	github.com/pterm/pterm v0.12.70
 	github.com/sethvargo/go-password v0.2.0

go.sum

@@ -816,6 +816,8 @@ github.com/openconfig/ygot v0.29.12 h1:LjjeaRGdGEOWhldSm0fr8YarPlTgy2fCAaCvY+3pO
 github.com/openconfig/ygot v0.29.12/go.mod h1:RNnn1ytQ8GZV5LPts36l0cyoRjsYYpruiruJEvmU2sg=
 github.com/openconfig/ygot v0.29.13 h1:2YbW/k/t0uuXIoxLy0zrvBHgd1YyUCosIGFLzt3vsYQ=
 github.com/openconfig/ygot v0.29.13/go.mod h1:RKbkt2O+aFotfHPCXRbyQs4c7rmM5DuEuCnZfBSnYew=
+github.com/openconfig/ygot v0.29.15 h1:8lmf+f8KzQjr6Q8JwdlCVgHBTcjeyg+D8Z8bBOT4FnA=
+github.com/openconfig/ygot v0.29.15/go.mod h1:GDi97RDhYa2MGyYQXSk/RbSV3OgtuOCXBPfeOKD5pQQ=
 github.com/opencontainers/go-digest v0.0.0-20170106003457-a6d0ee40d420/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
 github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
 github.com/opencontainers/go-digest v1.0.0-rc1/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=