chore: update @Tresjs/core to version 5.0.0-next.6

- Upgraded @Tresjs/core in package.json and playground/package.json to version 5.0.0-next.6 for enhanced features and stability.
- Updated pnpm-lock.yaml to reflect the new version and its dependencies, ensuring compatibility across the project.

Author: alvarosabu

package.json

@@ -62,7 +62,7 @@
   },
   "devDependencies": {
     "@release-it/conventional-changelog": "^10.0.0",
-    "@tresjs/core": "https://pkg.pr.new/@tresjs/core@1044",
+    "@tresjs/core": "5.0.0-next.6",
     "@tresjs/eslint-config": "^1.4.0",
     "@tresjs/leches": "https://pkg.pr.new/@tresjs/leches@9ad0cd3",
     "@types/three": "^0.172.0",

playground/package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "@tresjs/cientos": "5.0.0-next.2",
-    "@tresjs/core": "https://pkg.pr.new/@tresjs/core@a5468fc",
+    "@tresjs/core": "5.0.0-next.6",
     "@tresjs/post-processing": "workspace:*",
     "vue-router": "^4.5.0"
   },