chore(security): patch loofah vulnerability (#386)

Author: dependabot[bot]

Gemfile.lock

@@ -61,7 +61,7 @@ GEM
     builder (3.2.3)
     byebug (8.2.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.3)
+    crass (1.0.6)
     diff-lcs (1.3)
     erubis (2.7.0)
     globalid (0.4.1)
@@ -78,7 +78,7 @@ GEM
     jsonapi-serializers (1.0.1)
       activesupport
     jwt (1.5.4)
-    loofah (2.1.1)
+    loofah (2.8.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -87,7 +87,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.11.3)
     multi_xml (0.6.0)
-    nokogiri (1.10.8)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     rack (1.6.10)
     rack-cors (0.4.0)