fix: Add docker-compose to PATH (#274)

* Expose command as `docker-compose`

* Format and package

__tests__/install.test.ts

@@ -1,7 +1,21 @@
-import {runCommand} from '../src/install'
+import {install, runCommand} from '../src/install'
+import * as core from '@actions/core'
+
 import {expect, test} from '@jest/globals'
 
 test('runCommand', async () => {
   const result = await runCommand('echo foo bar')
   expect(result).toBe('foo bar')
 })
+
+async function testVersion(version: string) {
+  const commandPath = await install(version)
+  core.addPath(commandPath)
+  const result = await runCommand('docker-compose version')
+  expect(result).toContain(version)
+}
+
+test('Install the right version', async () => {
+  await testVersion('1.29.1')
+  await testVersion('1.29.2')
+})