Bump github.com/osrg/gobgp/v3 from 3.14.0 to 3.15.0

Bumps [github.com/osrg/gobgp/v3](https://github.com/osrg/gobgp) from 3.14.0 to 3.15.0.
- [Release notes](https://github.com/osrg/gobgp/releases)
- [Changelog](https://github.com/osrg/gobgp/blob/master/.goreleaser.yml)
- [Commits](osrg/gobgp@v3.14.0...v3.15.0)

---
updated-dependencies:
- dependency-name: github.com/osrg/gobgp/v3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -4,7 +4,7 @@ go 1.20
 
 require (
 	github.com/golang/protobuf v1.5.3
-	github.com/osrg/gobgp/v3 v3.14.0
+	github.com/osrg/gobgp/v3 v3.15.0
 	github.com/spf13/cobra v1.7.0
 	go.uber.org/zap v1.24.0
 	google.golang.org/grpc v1.55.0

go.sum

@@ -10,8 +10,8 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/osrg/gobgp/v3 v3.14.0 h1:zfXhM8+QSfAPUkzWYTbH8pMkvxkcUfvQEKnBU7ikk4g=
-github.com/osrg/gobgp/v3 v3.14.0/go.mod h1:tSUXn/s9uggSRTKP3IBeT5zI4ayOUX3O7fG5+n+SHPc=
+github.com/osrg/gobgp/v3 v3.15.0 h1:Zu4iL7EbBtRpVue61k0F3c3HdFZiTJV3uaveb7m92sM=
+github.com/osrg/gobgp/v3 v3.15.0/go.mod h1:tSUXn/s9uggSRTKP3IBeT5zI4ayOUX3O7fG5+n+SHPc=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=