chore: Update to node 20 (#52)

* chore: cleanup

* chore: Update to node 20

* chore: version bump

__tests__/main.test.ts

@@ -1,7 +1,4 @@
 import { getBranchNameFromRef } from '../src/main';
-// import * as process from 'process';
-// import * as cp from 'child_process';
-// import * as path from 'path';
 
 test('get branch name correctly from ref', async () => {
   await expect(getBranchNameFromRef('refs/heads/master')).toEqual('master');

action.yml

@@ -16,5 +16,5 @@ inputs:
     required: false
 
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'lib/main.js'

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bundlesize-gh-action",
-  "version": "0.2.1",
+  "version": "0.3.0",
   "private": true,
   "description": "bundlesize-gh-action",
   "main": "lib/main.js",

rollup.config.js

@@ -1,6 +1,7 @@
 import { nodeResolve } from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
-import typescript from '@rollup/plugin-typescript'; // we use 3.1.1 because of https://github.com/rollup/plugins/issues/287#issuecomment-645100737
+// we use 3.1.1 because of https://github.com/rollup/plugins/issues/287#issuecomment-645100737
+import typescript from '@rollup/plugin-typescript'; 
 import json from '@rollup/plugin-json';
 import builtins from 'builtin-modules';