fix(vue): update output target and fix incorrect types (#30259)

Issue number: resolves #30254

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## What is the current behavior?
The type for `routerLink` was incorrectly set as `symbol`.

## What is the new behavior?
The new update of the Vue output target to sets it to `string | symbol`

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

## Other information

Dev build: `8.5.1-dev.11742238707.15ce0fe2`

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Co-authored-by: Brandy Smith <6577830+brandyscarney@users.noreply.github.com>