Bump icalendar from 5.0.11 to 5.0.12

[dependabot[bot]]

Bumps icalendar from 5.0.11 to 5.0.12.

Changelog

Sourced from icalendar's changelog.

5.0.12 (2024-03-19)

Minor changes:

• Analyse code coverage of test files
• Added corpus to fuzzing directory
• Added exclusion of fuzzing corpus in MANIFEST.in
• Augmented fuzzer to optionally convert multiple calendars from a source string
• Add script to convert OSS FUZZ test cases to Python/pytest test cases
• Added additional exception handling of defined errors to fuzzer, to allow fuzzer to explore deeper
• Added more instrumentation to fuzz-harness
• Rename "contributor" to "collaborator" in documentation
• Correct the outdated "icalendar view myfile.ics" command in documentation. #588
• Update GitHub Actions steps versions
• Keep GitHub Actions up to date with GitHub's Dependabot

Breaking changes:

• ...

New features:

• ...

Bug fixes:

• ...
• Fixed index error in cal.py when attempting to pop from an empty stack
• Fixed type error in prop.py when attempting to join strings into a byte-string
• Caught Wrong Date Format in ical_fuzzer to resolve fuzzing coverage blocker

Commits

• 72966e7 try to set a body text of the release
• 38fcd16 modify release
• 679ecab use different release action
• 216452c use github.token
• 72c0d6d try other tag release method
• 5551ad9 version 5.0.12
• f417720 Merge pull request #602 from niccokunzmann/refactor-test-6
• b51fef6 Merge pull request #599 from niccokunzmann/refactor-test-3
• fb0baf4 Merge pull request #598 from niccokunzmann/refactor-test-2
• 00a2d56 Merge pull request #597 from niccokunzmann/refactor-test-1
• Additional commits viewable in compare view

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