🐞 JS image boots properly now

[cardil]

After the #11 the JS image wasn't booting:

> @openshift/knative-showcase@main serve:only
> node src/index

node:internal/modules/cjs/loader:988
  throw err;
  ^

Error: Cannot find module 'git-describe'
Require stack:
- /opt/app-root/src/src/lib/project.js
- /opt/app-root/src/src/middleware/openapi.js
- /opt/app-root/src/src/app.js
- /opt/app-root/src/src/index.js
    at Function.Module._resolveFilename (node:internal/modules/cjs/loader:985:15)
    at Function.Module._load (node:internal/modules/cjs/loader:833:27)
    at Module.require (node:internal/modules/cjs/loader:1057:19)
    at require (node:internal/modules/cjs/helpers:103:18)
    at Object.<anonymous> (/opt/app-root/src/src/lib/project.js:3:29)
    at Module._compile (node:internal/modules/cjs/loader:1155:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1209:10)
    at Module.load (node:internal/modules/cjs/loader:1033:32)
    at Function.Module._load (node:internal/modules/cjs/loader:868:12)
    at Module.require (node:internal/modules/cjs/loader:1057:19) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    '/opt/app-root/src/src/lib/project.js',
    '/opt/app-root/src/src/middleware/openapi.js',
    '/opt/app-root/src/src/app.js',
    '/opt/app-root/src/src/index.js'
  ]
}
npm notice 
npm notice New major version of npm available! 8.19.2 -> 9.6.4
npm notice Changelog: <https://github.com/npm/cli/releases/tag/v9.6.4>
npm notice Run `npm install -g [email protected]` to update!
npm notice

This PR fixes this, and adds tests to smoke test the images before push.

/kind bug

[mgencur]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cardil, mgencur

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[cardil]

/cherry-pick release-0.7

[openshift-cherrypick-robot]

@cardil: new pull request created: #23

In response to this:

/cherry-pick release-0.7

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