zstandard compression for parameters and results #3802

Job	Run time
Skip Duplicate Jobs Pre Job	6s
Lint Checks (black, flake8, etc.) - Python 3.6	2m 8s
Compile (pip deps, pylint, etc.) - Python 3.6	4m 35s
Lint Checks (black, flake8, etc.) - Python 3.8	1m 59s
Compile (pip deps, pylint, etc.) - Python 3.8	4m 36s
Pack Tests - Python 3.6	2m 8s
Integration Tests (chunk 1) - Python 3.6	4m 58s
Integration Tests (chunk 2) - Python 3.6	5m 37s
Pack Tests - Python 3.8	1m 50s
Integration Tests (chunk 1) - Python 3.8	4m 30s
Integration Tests (chunk 2) - Python 3.8	6m 5s
Unit Tests (chunk 1) - Python 3.6	3m 2s
Unit Tests (chunk 2) - Python 3.6	3m 36s
Unit Tests (chunk 1) - Python 3.8	8m 20s
Unit Tests (chunk 2) - Python 3.8	5m 36s
Slack notification for failed master builds	5s
	59m 11s

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