Switch from jest to vitest

Author: RobbieTheWagner

package.json

@@ -31,25 +31,25 @@
     "watch": "pnpm -F shepherd.js watch"
   },
   "devDependencies": {
-    "@babel/core": "^7.26.9",
-    "@babel/preset-env": "^7.26.9",
+    "@babel/core": "^7.28.4",
+    "@babel/preset-env": "^7.28.3",
     "@typescript-eslint/eslint-plugin": "^7.18.0",
     "@typescript-eslint/parser": "^7.18.0",
     "autoprefixer": "^10.4.21",
-    "concurrently": "^9.1.2",
+    "concurrently": "^9.2.1",
     "del": "^7.1.0",
     "eslint": "^8.57.1",
-    "eslint-plugin-jest": "^28.11.0",
+    "eslint-plugin-jest": "^28.14.0",
     "eslint-plugin-svelte": "^2.46.1",
     "postcss": "^8.5.6",
     "prettier": "3.3.3",
     "prettier-plugin-astro": "^0.14.1",
-    "prettier-plugin-svelte": "^3.3.3",
-    "release-plan": "^0.17.0",
+    "prettier-plugin-svelte": "^3.4.0",
+    "release-plan": "^0.17.2",
     "replace": "^1.2.2",
     "shepherd.js": "workspace:*",
-    "svelte": "^5.22.5",
-    "typescript": "^5.8.2"
+    "svelte": "^5.39.7",
+    "typescript": "^5.9.3"
   },
   "packageManager": "pnpm@9.15.4",
   "engines": {