Updated Blazer to 2.4.4

Author: ankane

Gemfile.lock

@@ -76,7 +76,7 @@ GEM
       aws-sigv4 (~> 1.1)
     aws-sigv4 (1.4.0)
       aws-eventstream (~> 1, >= 1.0.2)
-    blazer (2.4.3)
+    blazer (2.4.4)
       activerecord (>= 5)
       chartkick (>= 3.2)
       railties (>= 5)