release: bump 0.5.6 -> 0.5.7 (#182)

Version bump 0.5.6 → 0.5.7 for the **B3 — Trend & Directional** batch (#181):
seven new indicators (`Qstick`, `TtmTrend`, `TrendStrengthIndex`,
`PolarizedFractalEfficiency`, `WavePm`, `GatorOscillator`,
`KasePermissionStochastic`), catalog 413 → 420.

Bumps: workspace `Cargo.toml` + `Cargo.lock`, `bindings/python/pyproject.toml`,
`bindings/node/package.json` + the six `npm/*/package.json` platform manifests,
both `package-lock.json` files, and the `CHANGELOG.md` `[Unreleased]` → `[0.5.7]`
roll with compare URLs.

examples/node/package-lock.json

@@ -17,7 +17,7 @@
     },
     "../../bindings/node": {
       "name": "wickra",
-      "version": "0.5.6",
+      "version": "0.5.7",
       "license": "MIT OR Apache-2.0",
       "devDependencies": {
         "@napi-rs/cli": "^2.18.0"
@@ -26,12 +26,12 @@
         "node": ">= 18"
       },
       "optionalDependencies": {
-        "wickra-darwin-arm64": "0.5.6",
-        "wickra-darwin-x64": "0.5.6",
-        "wickra-linux-arm64-gnu": "0.5.6",
-        "wickra-linux-x64-gnu": "0.5.6",
-        "wickra-win32-arm64-msvc": "0.5.6",
-        "wickra-win32-x64-msvc": "0.5.6"
+        "wickra-darwin-arm64": "0.5.7",
+        "wickra-darwin-x64": "0.5.7",
+        "wickra-linux-arm64-gnu": "0.5.7",
+        "wickra-linux-x64-gnu": "0.5.7",
+        "wickra-win32-arm64-msvc": "0.5.7",
+        "wickra-win32-x64-msvc": "0.5.7"
       }
     },
     "node_modules/wickra": {