Update npm packages

Version bump in package.json and then run `npm update` to generate
a new package-lock.json.

site/package-lock.json

@@ -11,11 +11,11 @@
       "license": "GPL-3.0-only",
       "devDependencies": {
         "bootstrap": "^5.1.1",
-        "clean-css-cli": "^5.3.3",
+        "clean-css-cli": "^5.4.2",
         "hugo-installer": "^3.1.0",
         "jquery": "^3.6.0",
-        "sass": "^1.41.1",
-        "uglify-js": "^3.14.2"
+        "sass": "^1.44.0",
+        "uglify-js": "^3.14.4"
       }
     },
     "node_modules/@nodelib/fs.scandir": {

site/package.json

@@ -8,7 +8,7 @@
     "build:site": "./bin/hugo/hugo",
     "build": "npm run build:css && npm run build:js && npm run clean && npm run build:site",
     "clean": "rm assets/css/style.css.tmp assets/css/style.css.tmp.map",
-    "postinstall": "hugo-installer --version 0.89.2"
+    "postinstall": "hugo-installer --version 0.89.4"
   },
   "keywords": [
     "ISEAL",