Complete carousel refactor.

Reduces one layer of DOM nesting for simplication, uses the latest Embla
version, unittests for everything.

package.json

@@ -27,8 +27,8 @@
     "custom-card-helpers": "^1.9.0",
     "date-fns": "^2.29.2",
     "date-fns-tz": "^1.3.7",
-    "embla-carousel": "^7.0.9",
-    "embla-carousel-wheel-gestures": "^3.0.0",
+    "embla-carousel": "8.0.0-rc12",
+    "embla-carousel-wheel-gestures": "8.0.0-rc04",
     "home-assistant-js-websocket": "^8.0.0",
     "keycharm": "^0.4.0",
     "lit": "^2.3.1",
@@ -62,7 +62,7 @@
     "@types/masonry-layout": "^4.2.5",
     "@typescript-eslint/eslint-plugin": "^5.36.2",
     "@typescript-eslint/parser": "^5.36.2",
-    "@vitest/coverage-c8": "^0.29.8",
+    "@vitest/coverage-istanbul": "^0.34.3",
     "eslint": "^8.23.0",
     "eslint-config-airbnb-base": "^15.0.0",
     "eslint-config-prettier": "^8.5.0",
@@ -80,8 +80,8 @@
     "sass": "^1.54.9",
     "ts-prune": "^0.10.3",
     "typescript": "^4.9.5",
-    "vitest": "^0.29.8",
-    "vitest-mock-extended": "^1.1.3"
+    "vitest": "^0.34.3",
+    "vitest-mock-extended": "^1.2.1"
   },
   "scripts": {
     "start": "rollup -c --watch",