fix(deps): update module github.com/libp2p/go-libp2p-pubsub to v0.15.0

Author: renovate[bot]

go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/labstack/echo/v4 v4.13.3
 	github.com/libp2p/go-libp2p v0.45.0
 	github.com/libp2p/go-libp2p-kad-dht v0.36.0
-	github.com/libp2p/go-libp2p-pubsub v0.14.2
+	github.com/libp2p/go-libp2p-pubsub v0.15.0
 	github.com/miekg/dns v1.1.68
 	github.com/mudler/go-processmanager v0.0.0-20240820160718-8b802d3ecf82
 	github.com/mudler/water v0.0.0-20250808092830-dd90dcf09025

go.sum

@@ -209,6 +209,8 @@ github.com/libp2p/go-libp2p-kbucket v0.8.0 h1:QAK7RzKJpYe+EuSEATAaaHYMYLkPDGC18m
 github.com/libp2p/go-libp2p-kbucket v0.8.0/go.mod h1:JMlxqcEyKwO6ox716eyC0hmiduSWZZl6JY93mGaaqc4=
 github.com/libp2p/go-libp2p-pubsub v0.14.2 h1:nT5lFHPQOFJcp9CW8hpKtvbpQNdl2udJuzLQWbgRum8=
 github.com/libp2p/go-libp2p-pubsub v0.14.2/go.mod h1:MKPU5vMI8RRFyTP0HfdsF9cLmL1nHAeJm44AxJGJx44=
+github.com/libp2p/go-libp2p-pubsub v0.15.0 h1:cG7Cng2BT82WttmPFMi50gDNV+58K626m/wR00vGL1o=
+github.com/libp2p/go-libp2p-pubsub v0.15.0/go.mod h1:lr4oE8bFgQaifRcoc2uWhWWiK6tPdOEKpUuR408GFN4=
 github.com/libp2p/go-libp2p-record v0.3.1 h1:cly48Xi5GjNw5Wq+7gmjfBiG9HCzQVkiZOUZ8kUl+Fg=
 github.com/libp2p/go-libp2p-record v0.3.1/go.mod h1:T8itUkLcWQLCYMqtX7Th6r7SexyUJpIyPgks757td/E=
 github.com/libp2p/go-libp2p-routing-helpers v0.7.5 h1:HdwZj9NKovMx0vqq6YNPTh6aaNzey5zHD7HeLJtq6fI=