Merge branch 'updates-ipynb-version' into 'master'

Upgrades ipynbdiff to 0.4.4

See merge request gitlab-org/gitlab!82323

Gemfile

@@ -537,4 +537,4 @@ gem 'ipaddress', '~> 0.8.3'
 
 gem 'parslet', '~> 1.8'
 
-gem 'ipynbdiff', '0.4.2'
+gem 'ipynbdiff', '0.4.4'

Gemfile.lock

@@ -654,7 +654,7 @@ GEM
     invisible_captcha (1.1.0)
       rails (>= 4.2)
     ipaddress (0.8.3)
-    ipynbdiff (0.4.2)
+    ipynbdiff (0.4.4)
       diffy (~> 3.3)
       json (~> 2.5, >= 2.5.1)
     jaeger-client (1.1.0)
@@ -1519,7 +1519,7 @@ DEPENDENCIES
   icalendar
   invisible_captcha (~> 1.1.0)
   ipaddress (~> 0.8.3)
-  ipynbdiff (= 0.4.2)
+  ipynbdiff (= 0.4.4)
   jira-ruby (~> 2.1.4)
   js_regex (~> 3.7)
   json (~> 2.5.1)