chore: fix all clippy warnings across workspace

crates/quicproquo-core/src/sealed_sender.rs

@@ -85,6 +85,7 @@ pub fn is_sealed(bytes: &[u8]) -> bool {
 }
 
 #[cfg(test)]
+#[allow(clippy::unwrap_used)]
 mod tests {
     use super::*;