fix(deps): Update dependency @vanilla-extract/rollup-plugin to ^1.5.1

Author: renovate[bot]

packages/@sanity/pkg-utils/package.json

@@ -73,7 +73,7 @@
     "@rollup/plugin-terser": "^0.4.4",
     "@sanity/browserslist-config": "^1.0.5",
     "@sanity/parse-package-json": "workspace:^",
-    "@vanilla-extract/rollup-plugin": "^1.5.0",
+    "@vanilla-extract/rollup-plugin": "^1.5.1",
     "browserslist": "^4.28.1",
     "cac": "^6.7.14",
     "chalk": "^5.6.2",