Update python-dateutil requirement from <2.8.2,>=2.1 to >=2.1,<2.8.3

[dependabot]

Updates the requirements on python-dateutil to permit the latest version.

Release notes

Sourced from python-dateutil's releases.

2.8.2

Version 2.8.2 (2021-07-08)

Data updates

• Updated tzdata version to 2021a. (gh pr #1128)

Bugfixes

• Fixed a bug in the parser where non-ValueError exceptions would be raised during exception handling; this would happen, for example, if an IllegalMonthError was raised in dateutil code. Fixed by Mark Bailey. (gh issue #981, pr #987).
• Fixed the custom repr for dateutil.parser.ParserError, which was not defined due to an indentation error. (gh issue #991, gh pr #993)
• Fixed a bug that caused b' prefixes to appear in parse_isodate exception messages. Reported and fixed by Paul Brown (@​pawl) (gh pr #1122)
• Make isoparse raise when trying to parse times with inconsistent use of : separator. Reported and fixed by @​mariocj89 (gh pr #1125).
• Fixed tz.gettz() not returning local time when passed an empty string. Reported by @​labrys (gh issues #925, #926). Fixed by @​ffe4 (gh pr #1024)

Documentation changes

• Rearranged parser documentation into "Functions", "Classes" and "Warnings and Exceptions" categories. (gh issue #992, pr #994).
• Updated parser.parse documentation to reflect the switch from ValueError to ParserError. (gh issue #992, pr #994).
• Fixed methods in the rrule module not being displayed in the docs. (gh pr #1025)
• Changed some relative links in the exercise documentation to refer to the document locations in the input tree, rather than the generated HTML files in the HTML output tree (which presumably will not exist in non-HTML output formats). (gh pr #1078).

Misc

• Moved test_imports.py, test_internals.py and test_utils.py to pytest. Reported and fixed by @​jpurviance (gh pr #978)
• Added project_urls for documentation and source. Patch by @​andriyor (gh pr #975).
• Simplified handling of bytes and bytearray in _parser._timelex. Reported

... (truncated)

Changelog

Sourced from python-dateutil's changelog.

Version 2.8.2 (2021-07-08)

Data updates

• Updated tzdata version to 2021a. (gh pr #1128)

Bugfixes

• Fixed a bug in the parser where non-ValueError exceptions would be raised during exception handling; this would happen, for example, if an IllegalMonthError was raised in dateutil code. Fixed by Mark Bailey. (gh issue #981, pr #987).
• Fixed the custom repr for dateutil.parser.ParserError, which was not defined due to an indentation error. (gh issue #991, gh pr #993)
• Fixed a bug that caused b' prefixes to appear in parse_isodate exception messages. Reported and fixed by Paul Brown (@​pawl) (gh pr #1122)
• Make isoparse raise when trying to parse times with inconsistent use of : separator. Reported and fixed by @​mariocj89 (gh pr #1125).
• Fixed tz.gettz() not returning local time when passed an empty string. Reported by @​labrys (gh issues #925, #926). Fixed by @​ffe4 (gh pr #1024)

Documentation changes

• Rearranged parser documentation into "Functions", "Classes" and "Warnings and Exceptions" categories. (gh issue #992, pr #994).
• Updated parser.parse documentation to reflect the switch from ValueError to ParserError. (gh issue #992, pr #994).
• Fixed methods in the rrule module not being displayed in the docs. (gh pr #1025)
• Changed some relative links in the exercise documentation to refer to the document locations in the input tree, rather than the generated HTML files in the HTML output tree (which presumably will not exist in non-HTML output formats). (gh pr #1078).

Misc

• Moved test_imports.py, test_internals.py and test_utils.py to pytest. Reported and fixed by @​jpurviance (gh pr #978)
• Added project_urls for documentation and source. Patch by @​andriyor (gh pr #975).
• Simplified handling of bytes and bytearray in _parser._timelex. Reported and fixed by @​frenzymadness (gh issue #1060).

... (truncated)

Commits

• 6b03551 Merge pull request #1143 from mariocj89/pu/2.8.2
• cf44dd0 Manual cleanup for 2.8.2 NEWS
• 5611671 Automatic generation of NEWS entries for 2.8.2
• 584b58d Merge pull request #1142 from mariocj89/pu/typo
• e960eff Fix typo in RELEASING steps
• 1682d23 Merge pull request #1141 from mariocj89/pu/auto-relase
• b9b8eea Update information about release signatures
• ee85831 Build releases with Python 3.9
• 6b337ea Automate cutting new releases
• 9c2ad8f Merge pull request #1056 from ffe4/issue_1029
• Additional commits viewable in compare view

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