Update Pr Issue Template for new doc templates?

Does the PR issue template need updating to points docs to the `aspire.dev` site, rather than `docs-aspire`?
cc @IEvangelist

```
- Does the change require an update in our Aspire docs?
- [ ] Yes
- Link to aspire-docs issue (consider using one of the following templates):
- [New (or update) `doc-idea` template](https://github.com/dotnet/docs-aspire/issues/new?template=02-docs-request.yml)
- [New `breaking-change` template](https://github.com/dotnet/docs-aspire/issues/new?template=04-breaking-change.yml)
- [New `diagnostic` template](https://github.com/dotnet/docs-aspire/issues/new?template=06-diagnostic-addition.yml)
- [ ] No
```