chore: Update strscan (#2837)

Author: mattcreaser

scripts/Gemfile.lock

@@ -169,6 +169,7 @@ GEM
       uber (< 0.2.0)
     retriable (3.1.2)
     rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (2.0.7)
     ruby2_keywords (0.0.4)
     rubyzip (2.3.2)
@@ -181,6 +182,7 @@ GEM
     simctl (1.6.8)
       CFPropertyList
       naturally
+    strscan (3.1.0)
     terminal-notifier (2.0.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)