- Update many dependencies to latest versions across all crates
- Switch from `once_cell::OnceCell` to `std::sync::OnceLock` where appropriate
- Update OAuth to use stateful `reqwest` for HTTP requests
- Fix Rodio backend to honor the requested sample format
- Use variables directly in format strings.
As reported by clippy, variables can be used directly in the
`format!` string.
- Use rewind() instead of seeking to 0.
- Remove superfluous & and ref.
Signed-off-by: Petr Tesarik <petr@tesarici.cz>
* Use sub-crates of future
* Remove unnecessary pin-project
* Removed unused crates and features
* Replace futures channels by tokio channels
* Use serde's "derive" feature flag instead of serde_derive
* Remove default impl for `SessionConfig`
* Move util mod to single file
* Restore privacy of mods
* Move `fn get_credentials` to application
* Remove `extern crate` statements
