Missing Typings result in TS Compile Issues with stricter options (TS7008)

[theimo1221]

Hello team,

these 2 lines prevent me from updating my TS project to node-ical V18 as some TS strict options doesn't allow implicit anys. https://github.com/jens-maus/node-ical/blob/9985f8d0bcc10d1c67bee9a2bf9ca08293eed488/node-ical.d.ts#L89

https://github.com/jens-maus/node-ical/blob/9985f8d0bcc10d1c67bee9a2bf9ca08293eed488/node-ical.d.ts#L94