feat(ChangelogDialog): add --gc-changelog-dialog-width & --gc-changelog-dialog-meta-width css tokens (#352)

Author: Qbit982

src/components/ChangelogDialog/ChangelogDialog.scss

@@ -1,11 +1,13 @@
 @use '../variables';
 
 $block: '.#{variables.$ns}changelog-dialog';
-$width: 732px;
 $maxItemsHeight: 70vh;
 
 #{$block} {
-    width: $width;
+    --gc-changelog-dialog-width: 732px;
+    --gc-changelog-dialog-meta-width: 80px;
+
+    width: var(--gc-changelog-dialog-width);
 
     &__full-list-link-icon {
         margin-inline-start: var(--g-spacing-1);

src/components/ChangelogDialog/components/Item/Item.scss

@@ -2,13 +2,12 @@
 @use '../../../variables';
 
 $block: '.#{variables.$ns}changelog-dialog-item';
-$metaWidth: 80px;
 
 #{$block} {
     display: flex;
 
     &__meta {
-        width: $metaWidth;
+        width: var(--gc-changelog-dialog-meta-width);
     }
 
     &__date {