Tests

Chore: Bump version to 1.2.3 #130

Job	Run time
Build BlazingMQ as a dependency	23m 36s
Lint and Docs	1m 24s
Test on Linux (3.11)	1m 57s
Coverage	1m 31s
Test on Linux (3.12)	2m 2s
Test on Linux (3.10)	2m 3s
Test on Linux (3.9)	2m 0s
Test on Linux (3.13)	1m 59s
	36m 32s

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