This statically compiles in the FTS5 module, allowing dbmate to handle
migrations that use the full-text search features of SQLite.

## History

Issue #237 raised the question of handling migrations that included FTS5
tables. It was later converted to a discussion (#357).

## Solution

It is possible to enable the feature in the statically-compiled SQLite
that ships with dbmate via a feature flag. Adding the `sqlite_fts5` flag
to the `Makefile` embeds this feature statically.

## Testing

An additional test was added with a `CREATE VIRTUAL TABLE` statement
that leverages the FTS5 module. This test fails when dbmate is compiled
_without_ the feature flag. After adding the flag, this test passes.

`make test` and `make docker-all` pass.

Confirmed that it works in practice locally on Ubuntu 22.04.  

## Additional info

For information about the extension:
https://www.sqlite.org/fts5.html

For the feature flag for mattn/go-sqlite3:

https://github.com/mattn/go-sqlite3/?tab=readme-ov-file#feature--extension-list

Remove outdated postgres comment.

Closes #585

Bumps golang from 1.23.1 to 1.23.2.


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currently when copying code snippets one has to manually remove the
dollar sign first. Consider:

```sh
$ echo "this can't be copy pasted into terminal because of the initial $"
```
`bash: $: command not found`
`fish: Expected a variable name after this $.`
vs.

```sh
echo "this is fine"
```

---------

Co-authored-by: Adrian Macneil <adrian@foxglove.dev>

Who knew lint could be so complicated

- Bump version
- Update dependencies