Error running sqlx_any in example after upgrading sqlx to 0.7

[EthanYuan]

Description

The example sqlx_any does not work after this PR #652

Steps to Reproduce

cd examples/sqlx_any

cargo run -- sqlite

Expected Behavior

Like described in the readme.

Actual Behavior

thread 'main' panicked at 'No drivers installed. Please see the documentation in `sqlx::any` for details.', /home/ethan/.cargo/registry/src/index.crates.io-6f17d22bba15001f/sqlx-core-0.7.3/src/any/driver.rs:142:10
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Reproduces How Often

always

Versions

tag 0.30.7

[tyt2y3]

I think it should work with MySQL IIRC. sqlx 0.7 removed a few features from the Any driver.
If you can figure out the problem, a PR would be appreciated, or we might be removing the example in the end.