release: bump 0.5.2 -> 0.5.3 (#174)

Version bump publishing the **Fibonacci** family (10 tools across A5a + A5b, catalogue 377 indicators / twenty-four families):

`FibRetracement`, `FibExtension`, `FibProjection`, `AutoFib`, `GoldenPocket`, `FibConfluence`, `FibFan`, `FibArcs`, `FibChannel`, `FibTimeZones`.

Version strings + lockfiles only (Cargo.toml, pyproject.toml, package.json + 6 npm platform manifests, both package-lock.json, Cargo.lock); CHANGELOG `[0.5.3]` section + compare URLs.

CHANGELOG.md

@@ -6,6 +6,8 @@ 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).
 
 ## [Unreleased]
+
+## [0.5.3] - 2026-06-04
 - **Fibonacci Time Zones** — vertical markers at Fibonacci bar-distances (1/2/3/5/8/...) from the latest swing pivot (`FIB_TIME_ZONES`).
 - **Fibonacci Channel** — a sloped base trendline plus parallel lines at Fibonacci multiples of the channel width (`FIB_CHANNEL`).
 - **Fibonacci Arcs** — semicircular retracement levels centred on the swing end, normalised by leg bar-width (`FIB_ARCS`).
@@ -1215,7 +1217,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   optional Binance live feed.
 - Bindings for Python, Node.js, and WebAssembly.
 
-[Unreleased]: https://github.com/wickra-lib/wickra/compare/v0.5.2...HEAD
+[Unreleased]: https://github.com/wickra-lib/wickra/compare/v0.5.3...HEAD
+[0.5.3]: https://github.com/wickra-lib/wickra/compare/v0.5.2...v0.5.3
 [0.5.2]: https://github.com/wickra-lib/wickra/compare/v0.5.1...v0.5.2
 [0.5.1]: https://github.com/wickra-lib/wickra/compare/v0.5.0...v0.5.1
 [0.5.0]: https://github.com/wickra-lib/wickra/compare/v0.4.7...v0.5.0