Update default gems list at fcc8df622a [ci skip]

NEWS.md

@@ -29,7 +29,7 @@ The following default gems are updated.
 * io-console 0.7.2
 * irb 1.11.2
 * net-http 0.4.1
-* prism 0.21.0
+* prism 0.22.0
 * reline 0.4.2
 * stringio 3.1.1
 * strscan 3.0.9