refactor: to rolldown, oxfmt, vitest (#89)

Reviewed-on: #89
Co-authored-by: Timo Behrendt <t.behrendt@t00n.de>
Co-committed-by: Timo Behrendt <t.behrendt@t00n.de>

package.json

@@ -1,27 +1,27 @@
 {
   "name": "conventional-semantic-git-tag-increment",
   "description": "GitHub Action to increment semantic version tag based on conventional commits",
+  "license": "MIT",
+  "author": "Timo Behrendt <t.behrendt@t00n.de>",
   "main": "src/index.ts",
   "scripts": {
     "typecheck": "tsc --noEmit",
-    "build": "esbuild src/index.ts --bundle --outfile=dist/index.js --platform=node --target=node24 --minify",
-    "test": "jest",
-    "format": "prettier --write src/**/*.ts"
-  },
-  "author": "Timo Behrendt <t.behrendt@t00n.de>",
-  "license": "MIT",
-  "devDependencies": {
-    "@types/conventional-commits-parser": "5.0.2",
-    "@types/jest": "30.0.0",
-    "@types/node": "24.13.2",
-    "esbuild": "0.28.1",
-    "jest": "30.4.2",
-    "prettier": "3.8.4",
-    "ts-jest": "29.4.11",
-    "typescript": "5.9.3"
+    "build": "rolldown -c",
+    "test": "vitest",
+    "format": "oxfmt",
+    "format:check": "oxfmt --check"
   },
   "dependencies": {
     "@actions/core": "3.0.1",
     "conventional-commits-parser": "3.2.4"
+  },
+  "devDependencies": {
+    "@types/conventional-commits-parser": "5.0.2",
+    "@types/node": "24.13.2",
+    "@vitest/coverage-v8": "4.1.10",
+    "oxfmt": "0.59.0",
+    "rolldown": "1.2.0",
+    "typescript": "5.9.3",
+    "vitest": "4.1.10"
   }
 }