More descriptive error message when SQL querying is not enabled

[kobiebotha]

No description provided.

[changeset-bot]

⚠️ No Changeset found

Latest commit: bb98004

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[stevensJourney]

This requires a Changeset in order for this to be released correctly. Could you please add a patch change for the @powersync/service-core package for this?