Enable clippy lints on a workspace level

This enables a lot more lints than before in some crates, so this fixed a lot of warnings as well.

crates/cli/Cargo.toml

@@ -7,6 +7,9 @@ license.workspace = true
 homepage.workspace = true
 repository.workspace = true
 
+[lints]
+workspace = true
+
 [dependencies]
 anyhow.workspace = true
 axum = "0.6.20"

crates/cli/src/main.rs

@@ -12,9 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#![forbid(unsafe_code)]
-#![deny(clippy::all, clippy::str_to_string)]
-#![warn(clippy::pedantic)]
 #![allow(clippy::module_name_repetitions)]
 
 use std::{io::IsTerminal, sync::Arc};