Fix npm prerelease build: update TypeScript lib to ES2018.Intl and upgrade to Node 18 (#301)

* Fix npm prerelease build by updating lib to ES2018.Intl

Co-authored-by: Hexagon <419737+Hexagon@users.noreply.github.com>

* Upgrade Node to 18.x in npm-prerelease workflow

Co-authored-by: Hexagon <419737+Hexagon@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Hexagon <419737+Hexagon@users.noreply.github.com>

Author: Copilot

.github/workflows/npm-prerelease.yml

@@ -17,7 +17,7 @@ jobs:
 
       - uses: actions/setup-node@v3.5.1
         with:
-          node-version: '16.x'
+          node-version: '18.x'
           registry-url: 'https://registry.npmjs.org'
 
       - run: deno task build

build/build.ts

@@ -82,7 +82,7 @@ if (Deno.args[1] === "clean") {
         tsconfig: {
           compilerOptions: {
             target: "ES2017",
-            lib: ["ES2017", "ES2017.Intl", "DOM"],
+            lib: ["ES2017", "ES2018.Intl", "DOM"],
             declaration: true,
             emitDeclarationOnly: true,
             allowImportingTsExtensions: true,