fix(spinner): use correct background color for inverse (#1488)

## PR Checklist

Please check if your PR fulfills the following requirements:

- [ ] Tests for the changes have been added (for bug fixes / features)
- [ ] Docs have been added / updated (for bug fixes / features)
- [ ] If applicable, have a visual design approval

## PR Type

What kind of change does this PR introduce?

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

## What is the current behavior?

<!-- Please describe the current behavior that you are modifying, or
link to a relevant issue. -->

Issue Number: CDE-1513

## What is the new behavior?

New color tokens for inverse spinner

## Does this PR introduce a breaking change?

- [ ] Yes
- [x] No

<!-- If this PR contains a breaking change, please describe the impact
and migration path for existing applications below. -->

## Other information

Inverse background color is lighter ("tint" added)

---------

Co-authored-by: GitHub <noreply@github.com>

projects/angular/src/progress/spinner/_properties.spinner.scss

@@ -21,7 +21,7 @@
  --clr-spinner-small-stroke-width: #{tokens.$cds-alias-object-border-width-200};
 
  --clr-spinner-fill-bg-color: #{tokens.$cds-alias-object-container-background-shade};
- --clr-spinner-fill-inverse-bg-color: #{tokens.$cds-alias-object-container-background-inverse};
+ --clr-spinner-fill-inverse-bg-color: #{tokens.$cds-alias-object-container-background-inverse-tint};
  --clr-spinner-fill-color: #{tokens.$cds-alias-status-info};
  --clr-spinner-fill-inverse-color: #{tokens.$cds-alias-status-info-tint};