chore: icalendar has merged ActiveSupport 7 PR.

pat · pat · commit d74325496c77 · 2023-02-27T17:32:22.000+13:00
diff --git a/Gemfile b/Gemfile
@@ -3,7 +3,3 @@
 source "https://rubygems.org"
 
 gemspec
-
-gem "icalendar",
-    git: "https://github.com/pat/icalendar.git",
-    branch: "fix/activesupport-7"
