Update svglint to 3.1.0

The new release contains:
 - https://github.com/simple-icons/svglint/pull/110
 - https://github.com/simple-icons/svglint/pull/111

which allow us to slightly simplify our code.

package-lock.json

@@ -53,7 +53,7 @@
         "puppeteer": "23.3.1",
         "stylelint": "^16.10.0",
         "stylelint-prettier": "^5.0.2",
-        "svglint": "^3.0.0",
+        "svglint": "^3.1.0",
         "terser-webpack-plugin": "^5.3.10",
         "tsc-alias": "^1.8.10",
         "ttest": "^4.0.0",
@@ -12521,10 +12521,11 @@
       "dev": true
     },
     "node_modules/svglint": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/svglint/-/svglint-3.0.0.tgz",
-      "integrity": "sha512-WX1gta0wz0dH35J5Dq3CP4Mz2jrrxrSqmEyehtraZaw4L4KRKAcTADaHxmj4Z+qYB6DP3IbDnaKNaQDFrpvVvA==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/svglint/-/svglint-3.1.0.tgz",
+      "integrity": "sha512-5poEBAiB1VpswI2YLS2tx50/KfbcYc3AWWjsXBQJxcl6nkx632+LvN3biopFJbPGU1qrSnPQ22Iq42pFzbvBZw==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "ansi-regex": "^6.0.1",
         "chalk": "^5.0.0",