Add pindexer support for position timelines in the DEX explorer

[hdevalence]

Describe your changes

These changes index the states of individual positions, allowing the dex explorer to render position timelines, allowing users to inspect their position history.

This also updates sqlx along the way.

Once these changes are merged, we'll need to trigger a reindex on the dev indexer.

Checklist before requesting a review

• If this code contains consensus-breaking changes, I have added the "consensus-breaking" label. Otherwise, I declare my belief that there are not consensus-breaking changes, for the following reason:

  indexer changes only

[hdevalence]

I wrote this test while inspecting the data, and figured it would be useful to have a record of.

[hdevalence]

No idea what the crate features error is about and the CI job doesn't say what the problem is.

[cronokirby]

No idea what the crate features error is about and the CI job doesn't say what the problem is.

bumping the sqlx version might've done this, if there's a transitive dep which requires bumping the Rust version

[cronokirby]

these are redundant if we link to the reserves, right?

[hdevalence]

Yeah, my thought was that they would be useful to have on hand when looking at an execution individually and there's not an issue with normalization for this application

[hdevalence]

Either way. Not particularly attached but also don't see a compelling reason not to have the data there.

[cronokirby]

Also redundant if we reference the reserves

[hdevalence]

Same reasoning

[hdevalence]

@cronokirby FYI the reason I pulled newer sqlx was to get a conversion impl for the numeric types that didn't exist before (not otherwise attached to it but i think it would require more custom code to use the older version)