chore: fmt and slither

foundry/src/lib/LibPrefixLengthEncodedByteArray.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.0;
+pragma solidity ^0.8.28;
 
 /**
  * @title Propellerheads PrefixLengthEncoded Byte Array Library

foundry/test/LibPrefixLengthEncodedByteArray.t.sol

@@ -2,7 +2,8 @@
 pragma solidity ^0.8.0;
 
 import {Test} from "forge-std/Test.sol";
-import {LibPrefixLengthEncodedByteArray} from "../src/lib/LibPrefixLengthEncodedByteArray.sol";
+import {LibPrefixLengthEncodedByteArray} from
+    "../src/lib/LibPrefixLengthEncodedByteArray.sol";
 
 contract LibPrefixLengthEncodedByteArrayTest is Test {
     using LibPrefixLengthEncodedByteArray for bytes;
@@ -53,13 +54,13 @@ contract LibPrefixLengthEncodedByteArrayTest is Test {
     function testFailInvalidLength() public {
         // Length prefix larger than remaining data
         bytes memory invalid = hex"0004414243";
-        this.next(invalid);
+        (bytes memory elem, bytes memory remaining) = this.next(invalid);
     }
 
     function testFailIncompletePrefix() public {
         // Only 1 byte instead of 2 bytes prefix
         bytes memory invalid = hex"01";
-        this.next(invalid);
+        (bytes memory elem, bytes memory remaining) = this.next(invalid);
     }
 
     function testLargeElement() public {
@@ -69,7 +70,7 @@ contract LibPrefixLengthEncodedByteArrayTest is Test {
         large[1] = bytes1(uint8(0xe8)); // E8 (1000 in hex)
 
         // Fill data bytes
-        for (uint i = 2; i < large.length; i++) {
+        for (uint256 i = 2; i < large.length; i++) {
             large[i] = bytes1(uint8(0x01));
         }
 
@@ -93,12 +94,15 @@ contract LibPrefixLengthEncodedByteArrayTest is Test {
         assertEq(this.size(data), 2);
     }
 
-    function next(bytes calldata data) external pure returns (bytes memory, bytes memory) {
-        return data.next();
+    function next(bytes calldata data)
+        external
+        pure
+        returns (bytes memory elem, bytes memory remaining)
+    {
+        (elem, remaining) = data.next();
     }
 
-    function size(bytes calldata data) external pure returns (uint256) {
-        return data.size();
+    function size(bytes calldata data) external pure returns (uint256 s) {
+        s = data.size();
     }
-    
 }