Upgrade bootstrap to 4.3.1 (from 4.2.1)

Author: bdukes

package.json

@@ -15,7 +15,7 @@
     "alpaca": "1.5.24",
     "blob.js": "1.0.1",
     "bluebird": "3.5.3",
-    "bootstrap": "4.2.1",
+    "bootstrap": "4.3.1",
     "bootstrap-accessibility-plugin": "1.0.6",
     "bootstrap-datepicker": "1.8.0",
     "chart.js": "2.7.3",

yarn.lock

@@ -502,10 +502,10 @@ bootstrap-datepicker@1.8.0:
   dependencies:
     jquery ">=1.7.1 <4.0.0"
 
-bootstrap@4.2.1:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.2.1.tgz#8f8bdca024dbf0e8644da32e918c8a03a90a5757"
-  integrity sha512-tt/7vIv3Gm2mnd/WeDx36nfGGHleil0Wg8IeB7eMrVkY0fZ5iTaBisSh8oNANc2IBsCc6vCgCNTIM/IEN0+50Q==
+bootstrap@4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.3.1.tgz#280ca8f610504d99d7b6b4bfc4b68cec601704ac"
+  integrity sha512-rXqOmH1VilAt2DyPzluTi2blhk17bO7ef+zLLPlWvG494pDxcM234pJ8wTc/6R40UWizAIIMgxjvxZg5kmsbag==
 
 bootstrap@^3.3:
   version "3.3.7"