Restore make-container-max-widths mixin

scss/mixins/_grid.scss

@@ -13,6 +13,15 @@
   margin-left: calc(var(--bs-gutter-x) / -2); // stylelint-disable-line function-blacklist
 }
 
+// For each breakpoint, define the maximum width of the container in a media query
+@mixin make-container-max-widths($max-widths: $container-max-widths, $breakpoints: $grid-breakpoints) {
+  @each $breakpoint, $container-max-width in $max-widths {
+    @include media-breakpoint-up($breakpoint, $breakpoints) {
+      max-width: $container-max-width;
+    }
+  }
+}
+
 @mixin make-col-ready($gutter: $grid-gutter-width) {
   // Add box sizing if only the grid is loaded
   box-sizing: if(variable-exists(include-column-box-sizing) and $include-column-box-sizing, border-box, null);