Update categories on Hyvä Checkout and Theme h.json

- Changes Checkout category to 6 ("ecommerce")
- Adds category 6 to Hyvä Themes

src/technologies/h.json

@@ -1790,7 +1790,7 @@
   },
   "Hyva Checkout": {
     "cats": [
-      41
+      6
     ],
     "description": "A Checkout built for Hyvä Themes using Magewire, Alpine.js and Tailwind CSS.",
     "js": {
@@ -1814,6 +1814,7 @@
   },
   "Hyva Themes": {
     "cats": [
+      6,
       108
     ],
     "description": "Hyva Themes is a performance-optimised theme for Magento 2 which eliminated the third-party libraries and having only two dependencies Alpine.js and Tailwind CSS.",