chore: swtich to rolldown bundling

Author: kazupon

package.json

@@ -74,6 +74,7 @@
     "preview:size-vue-i18n": "pnpm --filter @intlify/size-check-vue-i18n preview",
     "release": "bumpp package.json packages/**/package.json --commit \"release: v\" --push --tag",
     "size": "tsx ./scripts/build.ts --size && tsx ./scripts/size.ts",
+    "size:rolldown": "tsx ./scripts/build-rolldown.ts",
     "size:report": "tsx ./scripts/report-size.ts",
     "test": "run-s lint test:cover check-install test:e2e",
     "test:cover": "pnpm test:unit --coverage",
@@ -85,12 +86,14 @@
     "@intlify/core-base": "workspace:*",
     "@intlify/message-compiler": "workspace:*",
     "@microsoft/api-extractor": "7.15.2",
+    "@rolldown/plugin-node-polyfills": "^1.0.0",
     "@rollup/plugin-commonjs": "^25.0.0",
     "@rollup/plugin-json": "^6.0.0",
     "@rollup/plugin-node-resolve": "^15.0.2",
     "@rollup/plugin-replace": "^5.0.2",
     "@rollup/plugin-terser": "^0.4.3",
     "@secretlint/secretlint-rule-preset-recommend": "^3.1.0",
+    "@swc/core": "^1.10.4",
     "@textlint-rule/textlint-rule-no-unmatched-pair": "^2.0.0",
     "@types/eslint": "^9.6.1",
     "@types/js-yaml": "^4.0.5",
@@ -124,6 +127,7 @@
     "playwright-core": "^1.45.3",
     "prettier": "^3.3.3",
     "rc": "^1.2.8",
+    "rolldown": "1.0.0-beta.1",
     "rollup": "^4.21.2",
     "rollup-plugin-node-builtins": "^2.1.2",
     "rollup-plugin-node-globals": "^1.4.0",