chore(coprocessor): update tfhe-rs to 1.5.4

Also, treat `get_kind_of()` returning None for a correct index as an
error instead of skipping the index. The skipping was there to
workaround a bug in tfhe-rs that is now fixed in 1.5.4.

Author: dartdart26

coprocessor/fhevm-engine/Cargo.lock

@@ -56,7 +56,9 @@ prometheus = "0.14.0"
 prost = "0.13.5"
 rand = "0.9.1"
 rayon = "1.11.0"
-reqwest = { version = "0.12.20", default-features = false, features = ["rustls-tls"] }
+reqwest = { version = "0.12.20", default-features = false, features = [
+    "rustls-tls",
+] }
 rustls = { version = "0.23", features = ["aws-lc-rs"] }
 semver = "1.0.26"
 serde = "1.0.225"
@@ -71,11 +73,11 @@ sqlx = { version = "0.8.6", default-features = false, features = [
     "time",
     "postgres",
     "uuid",
-    "chrono"
+    "chrono",
 ] }
 testcontainers = "0.24.0"
 thiserror = "2.0.12"
-tfhe = { version = "=1.5.1", features = [
+tfhe = { version = "=1.5.4", features = [
     "boolean",
     "shortint",
     "integer",

coprocessor/fhevm-engine/Cargo.toml

@@ -291,10 +291,10 @@ pub fn extract_ct_list(
 ) -> Result<Vec<SupportedFheCiphertexts>, FhevmError> {
     let mut res = Vec::new();
     for idx in 0..expanded.len() {
-        let Some(data_kind) = expanded.get_kind_of(idx) else {
+        let data_kind = expanded.get_kind_of(idx).ok_or_else(|| {
             tracing::error!(len = expanded.len(), idx, "get_kind_of returned None");
-            continue;
-        };
+            FhevmError::MissingTfheRsData
+        })?;
 
         match data_kind {
             tfhe::FheTypes::Bool => {