fix: Bump Custom proposal states #129

Job	Run time
Test build docker image	9m 12s
Lint code	2m 0s
Tests (0-2)	5m 32s
System tests (0-4)	6m 59s
Tests (1-2)	5m 49s
System tests (1-4)	5m 34s
TODO	7s
System tests (2-4)	6m 59s
Check for Zeitwerk errors	2m 19s
System tests (3-4)	4m 59s
Build and push image to Registry	0s
Generate release	0s
	49m 30s

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