Bump hugo-extended from 0.137.0 to 0.138.0 (#332)

Author: dependabot[bot]

package.json

@@ -37,7 +37,7 @@
   "devDependencies": {
     "autoprefixer": "^10.4.20",
     "cross-env": "^7.0.3",
-    "hugo-extended": "0.137.0",
+    "hugo-extended": "0.138.0",
     "postcss-cli": "^11.0.0",
     "rtlcss": "^4.3.0"
   },