chore(deps): update dependency gobgp to v4.2.0 (#6121)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

dist/images/Dockerfile.base

@@ -189,7 +189,7 @@ ARG CNI_PLUGINS_VERSION=v1.9.0
 # renovate: datasource=github-releases depName=kubectl packageName=kubernetes/kubernetes versioning=semver
 ARG KUBECTL_VERSION=v1.34.3
 # renovate: datasource=github-releases depName=gobgp packageName=osrg/gobgp versioning=semver
-ARG GOBGP_VERSION=4.1.0
+ARG GOBGP_VERSION=4.2.0
 ARG TRIVY_DB_REPOSITORY="public.ecr.aws/aquasecurity/trivy-db:2"
 
 RUN apk --no-cache add curl jq