fix(design-tokens): update built _variables.scss

Author: mlsamuelson

packages/bootstrap4-theme/src/scss/design-tokens/_variables.scss

@@ -1,6 +1,6 @@
 
 // Do not edit directly
-// Generated on Sun, 18 Apr 2021 17:42:29 GMT
+// Generated on Thu, 29 Apr 2021 18:12:10 GMT
 
 $uds-asset-font-icon-name: "FontAwesome";
 $uds-asset-font-icon-ttf: "assets/fontawesome/webfonts/fa-regular-400.ttf";
@@ -428,4 +428,4 @@ $uds-component-tab-container-border-color: #747474;
 $uds-component-tab-container-border-width-px: 1px;
 $uds-component-tab-active-border-bottom: 8px solid #8c1d40;
 $uds-component-tab-active-color: #8c1d40;
-$uds-component-tab-disabled-opacity: 50%;
+$uds-component-tab-disabled-opacity: 50%;