[dependabot]

Bumps icalendar from 2.12.5 to 2.13.0.

Changelog

Sourced from icalendar's changelog.

2.13.0 - 2026-10-11

• Generate CATEGORIES as a single comma-separated line instead of one line per value, matching how Google Calendar and Nextcloud expect it (#226). Setting categories = [...] now stores the joined value as one item, so code that reads #categories expecting one entry per category will see a single combined entry instead; append_categories is unaffected and still adds a separate line. - Carlos Kvasir
• Replace OpenStruct with Structs in Duration, Recur and UtcOffset values and drop the ostruct dependency (#329). Requires Ruby 2.5 or newer, for Struct's keyword_init:. The parts keep the same readers and setters, but #value is now a Struct, so assigning an attribute that isn't one of its parts raises NoMethodError. - David Corson-Knowles
• Correct negative fractional-hour TZInfo offsets - ac1982

Commits

• 41d3889 Bump version to 2.13.0
• d726dd3 Merge pull request #332 from ac1982/fix/negative-fractional-timezone-offsets
• 2d093aa Merge pull request #330 from corsonknowles/remove-ostruct
• 65e8026 Use keyword_init Structs and require Ruby 2.5
• 23215c4 Correct negative fractional-hour TZInfo offsets
• 426ea97 Merge pull request #331 from carloskvasir/categories-single-line
• 5207402 Generate CATEGORIES as a single comma-separated line
• 97fa1f4 Replace OpenStruct with Structs in Duration, Recur and UtcOffset
• See full diff in compare view

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