Merge pull request #722 from github/dependabot/bundler/rexml-3.2.8

Bump rexml from 3.2.5 to 3.2.8

Gemfile.lock

@@ -72,7 +72,8 @@ GEM
     regexp_parser (2.6.2)
     reverse_markdown (2.1.1)
       nokogiri
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rubocop (1.45.1)
       json (~> 2.3)
       parallel (~> 1.10)
@@ -103,6 +104,7 @@ GEM
     sawyer (0.9.2)
       addressable (>= 2.3.5)
       faraday (>= 0.17.3, < 3)
+    strscan (3.1.0)
     thor (1.2.2)
     tomlrb (2.0.3)
     tzinfo (2.0.6)