feat(token): add viz alias for severity warning light (#1601)

## 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?


- [ ] 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
- [ ] Other... Please describe:

## What is the current behavior?
`--cds-alias-viz-severity-warning-light` doesnt not exist.

Issue Number: CDE-2377

## What is the new behavior?
`--cds-alias-viz-severity-warning-light` is added for both light and
dark themes.

## Does this PR introduce a breaking change?

- [ ] Yes
- [x] No


## Other information

projects/ui/src/temp-overrides.scss

@@ -12,6 +12,8 @@
 
     --cds-alias-utility-gray: #{tokens.$cds-global-color-construction-600};
 
+    --cds-alias-viz-severity-warning-light: #{tokens.$cds-global-color-yellow-400};
+
     --cds-alias-object-container-backdrop-background: hsla(0, 0%, 100%, 0.6);
     --cds-alias-object-interaction-background-hover: #{tokens.$cds-global-color-construction-50};
     --cds-alias-object-interaction-background-active: #{tokens.$cds-global-color-construction-100};
@@ -36,6 +38,8 @@
   [cds-theme~='dark'] {
     --cds-alias-utility-gray: #{tokens.$cds-global-color-construction-300};
 
+    --cds-alias-viz-severity-warning-light: #{tokens.$cds-global-color-yellow-300};
+
     --cds-alias-status-warning-tint: #{tokens.$cds-global-color-ochre-900};
     --cds-alias-status-danger-tint: #{tokens.$cds-global-color-red-900};