Merge pull request #1683 from adafruit/dependabot/bundler/rexml-3.4.2

Bump rexml from 3.4.1 to 3.4.2

Author: makermelissa

Gemfile.lock

@@ -79,7 +79,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.4.1)
+    rexml (3.4.2)
     rouge (4.5.1)
     ruby-vips (2.1.4)
       ffi (~> 1.12)