chore(deps): update dependency csstype to ^3.2.2 (#13687)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

packages/vant/package.json

@@ -64,7 +64,7 @@
     "@vitest/coverage-istanbul": "^3.2.4",
     "@vue/runtime-core": "^3.5.22",
     "@vue/test-utils": "^2.4.6",
-    "csstype": "^3.1.3",
+    "csstype": "^3.2.2",
     "diffable-html": "^6.0.1",
     "jsdom": "^25.0.1",
     "typescript": "^5.9.3",