fix: auto fix of rust 1.83 clippy warnings

using `cargo clippy --all-targets --all-features --fix`

Author: Alenar

internal/mithril-persistence/src/sqlite/cursor.rs

@@ -20,7 +20,7 @@ impl<'a, T> EntityCursor<'a, T> {
     }
 }
 
-impl<'a, T> Iterator for EntityCursor<'a, T>
+impl<T> Iterator for EntityCursor<'_, T>
 where
     T: SqLiteEntity,
 {

mithril-common/src/crypto_helper/merkle_tree.rs

@@ -426,12 +426,12 @@ impl<S: MKTreeStorer> MKTree<S> {
                 .map(|(leaf_position, _leaf)| *leaf_position)
                 .collect(),
         )?;
-        return Ok(MKProof {
+        Ok(MKProof {
             inner_root: Arc::new(self.compute_root()?),
             inner_leaves,
             inner_proof_size: proof.mmr_size(),
             inner_proof_items: proof.proof_items().to_vec(),
-        });
+        })
     }
 }
 

mithril-common/src/test_utils/certificate_chain_builder.rs

@@ -481,7 +481,7 @@ impl<'a> CertificateChainBuilder<'a> {
     }
 }
 
-impl<'a> Default for CertificateChainBuilder<'a> {
+impl Default for CertificateChainBuilder<'_> {
     fn default() -> Self {
         Self::new()
     }