Use --py39-plus and --full-reorder in python-typing-update

[DanielNoord]

• Add yourself to CONTRIBUTORS if you are a new contributor.
• Write a good description on what the PR does.

Type of Changes

	Type
✓	🔨 Refactoring

Description

See title. Let's see how much problems this causes.

Ref #4683.

[coveralls]

Pull Request Test Coverage Report for Build 2166938429

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 287 unchanged lines in 25 files lost coverage.
• Overall coverage increased (+0.04%) to 93.37%

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Files with Coverage Reduction	New Missed Lines	%
pylint/extensions/comparetozero.py	1	97.22%
pylint/extensions/emptystring.py	1	96.97%
pylint/message/message_definition_store.py	1	98.33%
pylint/reporters/multi_reporter.py	1	98.28%
pylint/checkers/deprecated.py	2	97.73%
pylint/checkers/design_analysis.py	2	98.91%
pylint/lint/parallel.py	2	95.95%
pylint/reporters/reports_handler_mix_in.py	2	95.0%
pylint/pyreverse/main.py	3	91.89%
pylint/config/callback_actions.py	4	93.16%

Totals
Change from base Build 2166488264:	0.04%
Covered Lines:	15970
Relevant Lines:	17104

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💛 - Coveralls