CI/CD

feat: Allow admins to toggle notification sending #1259

Job	Run time
System tests (0-4)	10m 58s
Lint code	53s
Tests (0-2)	4m 16s
System tests (1-4)	3m 10s
Test build docker image	9m 7s
Tests (1-2)	4m 14s
System tests (2-4)	5m 45s
TODO	9s
System tests (3-4)	5m 55s
Check for Zeitwerk errors	30s
Generate release	0s
Build and push image to Registry	0s
	44m 57s

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