chore: bump deps; add vitest

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ifb5028c94fa2bb46952c0dbd1706a4926a6a6964

package.json

@@ -1,14 +1,18 @@
 {
   "name": "troutbot",
   "version": "1.0.0",
-  "description": "GitHub webhook bot that analyzes issues and PRs for impact on the trout population",
+  "description": "GitHub webhook bot that analyzes issues and PRs for impact on trout population",
+  "type": "module",
   "main": "dist/index.js",
   "scripts": {
     "build": "tsup src/index.ts --format cjs --dts --clean",
     "start": "node dist/index.js",
     "dev": "tsx src/index.ts",
     "lint": "eslint .",
-    "fmt": "prettier --write ."
+    "fmt": "prettier --write .",
+    "test": "vitest",
+    "test:run": "vitest run",
+    "test:coverage": "vitest run --coverage"
   },
   "dependencies": {
     "@octokit/rest": "^22.0.1",
@@ -23,10 +27,12 @@
     "@types/node": "^25.1.0",
     "@typescript-eslint/eslint-plugin": "^8.54.0",
     "@typescript-eslint/parser": "^8.54.0",
+    "@vitest/coverage-v8": "^4.0.18",
     "eslint": "^9.39.2",
     "prettier": "^3.8.1",
     "tsup": "^8.5.1",
     "tsx": "^4.21.0",
-    "typescript": "^5.9.3"
+    "typescript": "^5.9.3",
+    "vitest": "^4.0.18"
   }
 }