Update bootstrap 4.6.1

WebCms/Content/bootstrap/_progress.scss

@@ -10,6 +10,7 @@
   display: flex;
   height: $progress-height;
   overflow: hidden; // force rounded corners by cropping it
+  line-height: 0;
   @include font-size($progress-font-size);
   background-color: $progress-bg;
   @include border-radius($progress-border-radius);
@@ -35,7 +36,7 @@
 
 @if $enable-transitions {
   .progress-bar-animated {
-    animation: progress-bar-stripes $progress-bar-animation-timing;
+    animation: $progress-bar-animation-timing progress-bar-stripes;
 
     @if $enable-prefers-reduced-motion-media-query {
       @media (prefers-reduced-motion: reduce) {