chore(deps): update dependency sass to v1.49.8 (element-plus#6136)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -127,7 +127,7 @@
     "rollup-plugin-css-only": "3.1.0",
     "rollup-plugin-esbuild": "4.8.2",
     "rollup-plugin-filesize": "9.1.2",
-    "sass": "1.49.7",
+    "sass": "1.49.8",
     "sucrase": "3.20.3",
     "ts-jest": "26.5.6",
     "ts-morph": "13.0.3",