Remove bottom-border from last responsive table row

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/39776

app/assets/stylesheets/framework/responsive_tables.scss

@@ -25,8 +25,11 @@
     margin: 0;
     padding: $gl-padding 0;
     border: none;
+
+    &:not(:last-child) {
       border-bottom: 1px solid $white-normal;
     }
+  }
 }
 
 .gl-responsive-table-row-col-span {

changelogs/unreleased/39776-remove-responsive-table-bottom-border.yml

+---
+title: Fix double border UI bug on pipelines/environments table and pagination
+merge_request:
+author:
+type: fixed