CI/CD

added support for nil values in time slices #284

Job	Run time
Benchmark (miner)	1m 5s
Verify Dockerfile (freezer, linux/amd64)	1m 52s
Lint	2m 9s
Build	1m 29s
Verify Dockerfile (freezer-refrigerant, linux/amd64)	1m 32s
Verify Dockerfile (freezer-miner, linux/amd64)	1m 50s
Benchmark (extra-bonus-notifier)	59s
Benchmark (tokenomics)	1m 1s
Test (miner)	1m 7s
Verify Auto Generated	46s
Test (extra-bonus-notifier)	57s
Verify Latest Versions	35s
Test (tokenomics)	1m 2s
Benchmark (cmd/freezer)	1m 22s
Test (cmd/freezer)	1m 15s
Benchmark (cmd/freezer-refrigerant)	1m 16s
Verify Licensing	18s
Test (cmd/freezer-refrigerant)	1m 19s
Benchmark (cmd/freezer-miner)	1m 16s
Test (cmd/freezer-miner)	1m 17s
PR	4s
Release	11s
Push Docker (freezer, linux/amd64)	2m 6s
Push Docker (freezer-refrigerant, linux/amd64)	1m 55s
Push Docker (freezer-miner, linux/amd64)	2m 6s
Trigger Deployment	12s
	31m 1s

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