Bump `pyyaml` and `orjson` #3958

Job	Run time
Skip Duplicate Jobs Pre Job	7s
Lint Checks (black, flake8, etc.) - Python 3.6	1m 33s
Pack Tests - Python 3.6	2m 18s
Compile (pip deps, pylint, etc.) - Python 3.6	1m 24s
Unit Tests (chunk 1) - Python 3.6	1m 52s
Lint Checks (black, flake8, etc.) - Python 3.8	1m 22s
Unit Tests (chunk 2) - Python 3.6	1m 58s
Integration Tests (chunk 1) - Python 3.6	1m 53s
Compile (pip deps, pylint, etc.) - Python 3.8	1m 21s
Unit Tests (chunk 1) - Python 3.8	3m 34s
Integration Tests (chunk 2) - Python 3.6	1m 47s
Unit Tests (chunk 2) - Python 3.8	5m 41s
Pack Tests - Python 3.8	2m 49s
Integration Tests (chunk 1) - Python 3.8	4m 51s
Integration Tests (chunk 2) - Python 3.8	6m 43s
Slack notification for failed master builds	3s
	39m 16s

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