refactor(express): splits decrpt into v1 and v2 #1931

Job	Run time
Generate head API spec	7m 28s
Generate merge base API spec	8m 44s
Check specs identical	4s
Generate vacuum reports for API spec	10s
Check breaking changes	18s
Linter Override	30d 0h 0m 1s
API Spec Check	3s
	30d 0h 16m 48s

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