release: bump 0.4.0 -> 0.4.1 (#110)

Releases the cross-asset / pairwise indicator family (PR #109):
PairwiseBeta, PairSpreadZScore, LeadLagCrossCorrelation, Cointegration,
RelativeStrengthAB. Indicator count 214 -> 219.

Bumps workspace + binding versions and the CHANGELOG ([Unreleased] ->
[0.4.1]) with the new compare URL.

bindings/node/package.json

@@ -1,6 +1,6 @@
 {
   "name": "wickra",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "Streaming-first technical indicators: incremental, fast, install-free. Node bindings powered by Rust.",
   "author": "kingchenc <support@wickra.org>",
   "main": "index.js",
@@ -47,12 +47,12 @@
     "node": ">= 18"
   },
   "optionalDependencies": {
-    "wickra-linux-x64-gnu": "0.4.0",
-    "wickra-linux-arm64-gnu": "0.4.0",
-    "wickra-darwin-x64": "0.4.0",
-    "wickra-darwin-arm64": "0.4.0",
-    "wickra-win32-x64-msvc": "0.4.0",
-    "wickra-win32-arm64-msvc": "0.4.0"
+    "wickra-linux-x64-gnu": "0.4.1",
+    "wickra-linux-arm64-gnu": "0.4.1",
+    "wickra-darwin-x64": "0.4.1",
+    "wickra-darwin-arm64": "0.4.1",
+    "wickra-win32-x64-msvc": "0.4.1",
+    "wickra-win32-arm64-msvc": "0.4.1"
   },
   "scripts": {
     "build": "napi build --platform --release",