Update dependency ical to v4.2.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ical	==4.2.2 -> ==4.2.3

---

Release Notes

allenporter/ical

v4.2.3

Compare Source

What's Changed

• Allow edits of events to change the recurrence rule going forward by @​allenporter in https://github.com/allenporter/ical/pull/137
• Replace unidiomatic type check with isinstance checks by @​allenporter in https://github.com/allenporter/ical/pull/139

Full Changelog: allenporter/ical@4.2.2...4.2.3

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.

[codecov-commenter]

Codecov Report

Merging #162 (e2b28e7) into main (eb3556f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #162   +/-   ##
=======================================
  Coverage   96.89%   96.89%           
=======================================
  Files           9        9           
  Lines         869      869           
=======================================
  Hits          842      842           
  Misses         27       27           

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more