Merge pull request #895 from MITLibraries/renovate/jwt-3.x-lockfile

Update dependency jwt to v3

Author: Isra Jazairi

Gemfile.lock

@@ -207,7 +207,7 @@ GEM
     jekyll-watch (2.2.1)
       listen (~> 3.0)
     json (2.12.2)
-    jwt (2.10.2)
+    jwt (3.1.2)
       base64
     kramdown (2.5.1)
       rexml (>= 3.3.9)