Prevent vertical offset in IE 11 (#29413)

Co-authored-by: Martijn Cuppens <martijn.cuppens@gmail.com>

scss/_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);