chore: bump to 2.5.0

Add process-lock module with comprehensive inter-process locking capabilities.

Author: jdalton

CHANGELOG.md

@@ -5,6 +5,18 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.5.0](https://github.com/SocketDev/socket-lib/releases/tag/v2.5.0) - 2025-10-28
+
+### Added
+
+- **Process locking for inter-process synchronization**: New `process-lock` module provides cross-platform file-system based locks
+  - Atomic lock acquisition using mkdir (POSIX standard)
+  - Stale lock detection and cleanup (10 second default, aligned with npm's approach)
+  - Automatic process exit cleanup to prevent orphaned locks
+  - Exponential backoff retry strategy with jitter
+  - Convenient `withLock()` method for automatic lock management
+  - Comprehensive test coverage with 19 unit tests
+
 ## [2.4.0](https://github.com/SocketDev/socket-lib/releases/tag/v2.4.0) - 2025-10-28
 
 ### Changed

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@socketsecurity/lib",
-  "version": "2.4.0",
+  "version": "2.5.0",
   "license": "MIT",
   "description": "Core utilities and infrastructure for Socket.dev security tools",
   "keywords": [