Update default gems list at 5ff1524fde [ci skip]

NEWS.md

@@ -20,6 +20,7 @@ The following default gems are updated.
 * RubyGems 3.6.0.dev
 * bundler 2.6.0.dev
 * csv 3.2.9
+* erb 4.0.4
 * fiddle 1.1.3
 * io-console 0.7.2.dev.1
 * stringio 3.1.1