feat: ability to pass options to service workers fetch requests - #24510

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/angular/angular/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] angular.io application / infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: https://github.com/angular/angular-cli/issues/10391

What is the new behavior?

The fetch api options can now be passed to the service worker.

...
// ngsw-config.js
"index": "/index.html",
  "requestOptions": {
    "credentials": "same-origin"
  },
  "assetGroups": [
    {
...

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

Help needed: I could not find a way to pass the requestOptions to the main.ts, line 15 / 16