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/keystore/Cargo.toml

@@ -7,6 +7,9 @@ license.workspace = true
 homepage.workspace = true
 repository.workspace = true
 
+[lints]
+workspace = true
+
 [dependencies]
 aead = { version = "0.5.2", features = ["std"] }
 const-oid = { version = "0.9.5", features = ["std"] }

crates/keystore/src/lib.rs

@@ -14,10 +14,6 @@
 
 //! A crate to store keys which can then be used to sign and verify JWTs.
 
-#![forbid(unsafe_code)]
-#![deny(clippy::all, clippy::str_to_string, rustdoc::broken_intra_doc_links)]
-#![warn(clippy::pedantic)]
-
 use std::{ops::Deref, sync::Arc};
 
 use der::{zeroize::Zeroizing, Decode, Encode, EncodePem};

crates/keystore/tests/keystore.rs

@@ -159,6 +159,7 @@ fn load_unencrypted_as_encrypted_error() {
         .is_unencrypted());
 }
 
+#[allow(clippy::similar_names)]
 #[test]
 fn generate_sign_and_verify() {
     // Use a seeded RNG to keep the snapshot stable