Add 0.5.2 changelog

Author: dannote

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## 0.5.2
+
+- Add `NPM.PackageResolver` — Node.js module resolution algorithm (specifier parsing, `node_modules` traversal, `package.json` entry points, extension probing)
+- Fix ETS race condition in `NPM.Resolver` cache initialization
+- Fix `NPM.Cache.ensure/5` spec and docs to include `{:ok, :missing_optional}` return
+- Fix `NPM.PeerDeps.version_satisfies?/2` dead code (redundant boolean case)
+- Fix `NPM.FileSize.by_extension/1` dead `||` branch (`Path.extname` never returns nil)
+- Fix `NPM.DepSort.install_order/1` dead `{:error, :cycle}` branch
+- Fix `NPM.Linker.resolve_nested_version/2` crash on unparseable versions
+- Replace blanket `rescue _` with specific exception types across the codebase
+- Flatten nesting in `expand_all_optional_deps`, `solver_dependencies`, `select_group`
+- Bump ex_dna `~> 1.1` → `~> 1.3`
+
 ## 0.5.1
 
 - Platform-agnostic lockfile: `npm.lock` now includes all optional platform bindings, not just the current platform