ISTWCMS-5723: css for spacing on the year and month tag when side by side in medium view

src/patterns/04-components/timeline/_timeline.scss

@@ -71,7 +71,7 @@
     display: inline-block;
 
     @media(min-width: $screen-md) {
-      margin-left: -0.19rem;
+      margin-left: -0.23rem;
     }
     padding: var(--size-05) var(--size-1);
     position: relative;