Update module github.com/eclipse/paho.mqtt.golang to v1.4.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/eclipse/paho.mqtt.golang	require	patch	v1.4.2 -> v1.4.3

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Release Notes

eclipse/paho.mqtt.golang (github.com/eclipse/paho.mqtt.golang)

v1.4.3

Compare Source

Release 1.4.3 is a relatively small release to bring in changes made in the eight months since 1.4.2.

Thanks to everyone who submitted issues and contributed code (list of the main merged pull requests below):

What's Changed

• Avoid Panic when keepalive is 1 by @​tomatod in #​622
• Allow MQTT username/password in websocket URI @​MattBrittan in #​624
• Add backoff when reconnecting following immediate connection loss @​tomatod in #​625
• Update dependencies (github.com/gorilla/[email protected], golang.org/x/net, golang.org/x/sync) and specify go 1.18 in go.mod.

Full Changelog: eclipse-paho/paho.mqtt.golang@v1.4.2...v1.4.3

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