Add erb gem to fix Ruby 3.4 compatibility

this-is-varunxyz · this-is-varunxyz · commit 4c1d7f6c1037 · 2025-10-16T17:33:32.000+05:30
diff --git a/Gemfile b/Gemfile
@@ -1,4 +1,4 @@
 source "https://rubygems.org"
-
+gem 'erb'
 gem 'tzinfo-data'     # Required for Windows, harmless on other platforms
 gem 'github-pages', group: :jekyll_plugins
