zstandard compression for parameters and results #3801

Job	Run time
Skip Duplicate Jobs Pre Job	6s
Lint Checks (black, flake8, etc.) - Python 3.6	2m 14s
Compile (pip deps, pylint, etc.) - Python 3.6	4m 30s
Lint Checks (black, flake8, etc.) - Python 3.8	1m 27s
Compile (pip deps, pylint, etc.) - Python 3.8	4m 21s
Unit Tests (chunk 1) - Python 3.6	7m 38s
Unit Tests (chunk 2) - Python 3.6	5m 56s
Unit Tests (chunk 1) - Python 3.8	2m 49s
Unit Tests (chunk 2) - Python 3.8	5m 19s
Pack Tests - Python 3.6	1m 43s
Integration Tests (chunk 1) - Python 3.6	6m 25s
Integration Tests (chunk 2) - Python 3.6	6m 19s
Pack Tests - Python 3.8	1m 59s
Integration Tests (chunk 1) - Python 3.8	5m 42s
Integration Tests (chunk 2) - Python 3.8	5m 27s
Slack notification for failed master builds	3s
	1h 1m 58s

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