dev: bump github.com/eclipse/paho.mqtt.golang in /tools

Bumps [github.com/eclipse/paho.mqtt.golang](https://github.com/eclipse/paho.mqtt.golang) from 1.5.0 to 1.5.1.
- [Release notes](https://github.com/eclipse/paho.mqtt.golang/releases)
- [Commits](eclipse-paho/paho.mqtt.golang@v1.5.0...v1.5.1)

---
updated-dependencies:
- dependency-name: github.com/eclipse/paho.mqtt.golang
  dependency-version: 1.5.1
  dependency-type: indirect
...

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

Author: dependabot[bot]

tools/go.mod

@@ -96,7 +96,7 @@ require (
 	github.com/dlclark/regexp2 v1.11.5 // indirect
 	github.com/dop251/goja v0.0.0-20250630131328-58d95d85e994 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/eclipse/paho.mqtt.golang v1.5.0 // indirect
+	github.com/eclipse/paho.mqtt.golang v1.5.1 // indirect
 	github.com/envoyproxy/go-control-plane/envoy v1.32.4 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.2.1 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect

tools/go.sum

@@ -1002,8 +1002,8 @@ github.com/dop251/goja v0.0.0-20250630131328-58d95d85e994/go.mod h1:MxLav0peU43G
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
-github.com/eclipse/paho.mqtt.golang v1.5.0 h1:EH+bUVJNgttidWFkLLVKaQPGmkTUfQQqjOsyvMGvD6o=
-github.com/eclipse/paho.mqtt.golang v1.5.0/go.mod h1:du/2qNQVqJf/Sqs4MEL77kR8QTqANF7XU7Fk0aOTAgk=
+github.com/eclipse/paho.mqtt.golang v1.5.1 h1:/VSOv3oDLlpqR2Epjn1Q7b2bSTplJIeV2ISgCl2W7nE=
+github.com/eclipse/paho.mqtt.golang v1.5.1/go.mod h1:1/yJCneuyOoCOzKSsOTUc0AJfpsItBGWvYpBLimhArU=
 github.com/emersion/go-sasl v0.0.0-20241020182733-b788ff22d5a6 h1:oP4q0fw+fOSWn3DfFi4EXdT+B+gTtzx8GC9xsc26Znk=
 github.com/emersion/go-sasl v0.0.0-20241020182733-b788ff22d5a6/go.mod h1:iL2twTeMvZnrg54ZoPDNfJaJaqy0xIQFuBdrLsmspwQ=
 github.com/emersion/go-smtp v0.22.0 h1:/d3HWxkZZ4riB+0kzfoODh9X+xyCrLEezMnAAa1LEMU=