fix: repair duplicated assertion block in security_integration_test

Bad-merge leftover left an unclosed assert!() in test_current_dependency_versions,
failing the Test and Code Coverage CI jobs.

Author: OtowoSamuel

tests/security_integration_test.rs

@@ -166,6 +166,7 @@ mod tests {
         assert!(
             cargo_toml.contains("bytes = \"1.11.1\""),
             "bytes should be pinned to a published secure version"
+        );
         // Verify security-critical dependency pins match Cargo.toml / Cargo.lock.
         // 1.0.108 was never published on crates.io; keep the locked secure pin.
         assert!(