fix(hikes): keep stat value + descriptor together in the metrics row

The metrics flex row stretched each tile to the tall route-icon's height,
so the grid's auto rows spread apart and pushed the value and its label to
opposite halves. Center the items instead of stretching.

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "homepage",
-	"version": "1.86.0",
+	"version": "1.86.1",
 	"private": true,
 	"type": "module",
 	"scripts": {