Fix RollupError with recent rollup

> [!] (plugin typescript) RollupError: [plugin typescript] @rollup/plugin-typescript: Path of Typescript compiler option 'outDir' must be located inside the same directory as the Rollup 'file' option.

Author: kateinoigakukun

packages/npm-packages/ruby-wasm-wasi/package.json

@@ -49,7 +49,7 @@
     "format": "prettier --write .",
     "build:static": "./tools/pack-bindgen-src.rb ./dist",
     "build:rollup": "rollup -c rollup.config.mjs",
-    "build:tsc": "tsc -p tsconfig.json && tsc -p tsconfig.cjs.json",
+    "build:tsc": "tsc -p tsconfig.esm.json && tsc -p tsconfig.cjs.json",
     "build": "npm run build:rollup && npm run build:tsc && npm run build:static && ./tools/post-build.sh ./dist"
   },
   "devDependencies": {

packages/npm-packages/ruby-wasm-wasi/tsconfig.esm.json

@@ -0,0 +1,6 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./dist/esm"
+  }
+}

packages/npm-packages/ruby-wasm-wasi/tsconfig.json

@@ -4,7 +4,6 @@
     "importHelpers": true,
     "allowJs": true,
     "module": "ES2015",
-    "outDir": "./dist/esm",
     "target": "es2017",
     "esModuleInterop": true,
     "moduleResolution": "node",