Failing integration test in addons-test.js

[benfrancis]

Oops, I missed a failing integration test after bumping the version in package.json to 2.0.0-alpha.1 in #3179

FAIL test/integration/addons-test.js (19.163 s)
  ● addons › Fail manifest.json with wrong gateway min version

    expect(received).toBeTruthy()

    Received: undefined

      403 |       (<Record<string, unknown>>manifest.gateway_specific_settings).webthings
      404 |     )).strict_min_version = semver.inc(pkg.version, 'major')!;
    > 405 |     expect(await loadSettingsAdapterWithManifestJson(manifest)).toBeTruthy();
          |                                                                 ^
      406 |   });
      407 |
      408 |   it('Fail manifest.json with wrong gateway max version', async () => {

      at Object.toBeTruthy (../src/test/integration/addons-test.ts:405:65)