Bump green from 3.1.0 to 3.3.0 in /lib/py

[dependabot-preview]

Bumps green from 3.1.0 to 3.3.0.

Changelog

Sourced from green's changelog.

Version 3.3.0

15 July 2021

• Added -X NUM, --maxtasksperchild NUM to force worker processes to exit and respawn after a certain number of tasks so that we could use it in integration tests to force the condition fixed below. A "task" is typically the suite of tests from a single file.
• Fixed processes failing to respawn on Python 3.8+. In the happy path, processes never die, so there is no problem. In the sad path, if all processes got killed before all test suites had been run then Green would hang forever with a queue of tests to run without any worker processes to run them. Resolves #250.

Version 3.2.6

25 April 2021

• Color is now properly emitted on Windows runners in GitHub Actions. See #245.
• Unexpected successes now count as failures like they do in unittest. Resolves #241.
• Fix internal coverage not reporting in CI + other internal CI improvements

Version 3.2.5

23 Nov 2020

• Fix failing/erroring SubTests not properly reporting output to stdout/stderr. Resolves #238.

Version 3.2.4

1 Nov 2020

• Fix -j/--junit-report so that it writes to the properly-named file when specified from a config file. Contributed by @​jwaschkau in #236.
• Fix Windows CI by dropping a broken Python 2 test.

Version 3.2.3

11 Oct 2020

• Properly clean up temporary files in some versions/platforms. Contributed by @​Icerman in #232. Resolves #228.
• Fix an unwanted "1A" appearing at the beginning of test result lines in CI such as GitHub Actions and AppVeyor.

Version 3.2.2

22 Sep 2020

• Fix help string for the -O/--clear-omit option. Resolves #231.
• Tweak a bit of green's self-coverage to adjust for making releases in Python 3.8

Version 3.2.1

9 Aug 2020

• Fix passing tests not displaying captured stderr output unless stdout output was also present. Resolves #226.

Version 3.2.0

6 June 2020

• Fix crashes and hangs that could occur when using >1 subprocess due to a regression introduced in 3.1.1.
• Add 'time' attributes to the <testsuites>, <testsuite>, and <testcase> fields in the Junit output for the -j/--junit-report output. Contributed by @​bkmd11 in #225. Resolves #208.

... (truncated)

Commits

• 5562564 Drop coverage of now-old, proven code in favor of covering the newer version.
• ac9cd5f Include the entire existing environment for integration tests subprocesses
• 1d780f0 Remove test for DaemonlessProcess, which is no longer needed
• 13f9edf Bump to 3.3.0
• 519a541 Update the approach to LoggingDaemonlessPool for Python 3.8+. Resolves #250.
• aa572e1 Add test for finalizer, which broke in 3.8 due to underlying change in Pool._...
• 4770654 Add -X, --maxtasksperchild argument to allow limiting how many suites a proce...
• 69f4005 Update cli-options
• 2697cfe Bump to 3.2.6, update changelog
• 2b0e128 Count unexpected successes as failures as unittest does. Resolves #241
• Additional commits viewable in compare view

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