Bump paho-mqtt from 1.6.1 to 2.1.0 #2544

Job	Run time
Docker secrets	1s
Diagnostics / Diagnostics	28s
Config / Convert CSV to JSON / Convert platforms CSV to JSON	11s
Metadata / Calculate variables	10s
Lint / Lint sources	1m 39s
Build test image / Build image	1m 2s
Test image / Test image	48s
Build platform (linux/arm64) / Build image	1m 9s
Build platform (linux/arm/v7) / Build image	1m 1s
Build platform (linux/arm/v6) / Build image	1m 47s
Build platform (linux/ppc64le) / Build image	1m 47s
Build platform (linux/s390x) / Build image	1m 11s
Publish image / Load and push multi-arch image	1m 54s
Bill of Materials (linux/amd64) / Generate SBOMs	16s
Bill of Materials (linux/arm/v7) / Generate SBOMs	27s
Bill of Materials (linux/arm/v6) / Generate SBOMs	16s
Bill of Materials (linux/arm64) / Generate SBOMs	18s
Bill of Materials (linux/ppc64le) / Generate SBOMs	18s
Bill of Materials (linux/s390x) / Generate SBOMs	16s
Publish docs	0s
	14m 59s

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