release: bump 0.5.7 -> 0.5.8 (#185)

Version bump for the B4 price oscillators release (#184): `TsfOscillator`, `MacdHistogram`, `PpoHistogram` — 420 → 423 indicators.

Bumps workspace + bindings (Cargo.toml/lock, pyproject, node package.json + 6 platform manifests + lockfiles) and rolls CHANGELOG `[Unreleased]` into `[0.5.8]`.

Cargo.lock

@@ -1867,7 +1867,7 @@ dependencies = [
 
 [[package]]
 name = "wickra"
-version = "0.5.7"
+version = "0.5.8"
 dependencies = [
  "approx",
  "criterion",
@@ -1878,7 +1878,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-core"
-version = "0.5.7"
+version = "0.5.8"
 dependencies = [
  "approx",
  "proptest",
@@ -1888,7 +1888,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-data"
-version = "0.5.7"
+version = "0.5.8"
 dependencies = [
  "approx",
  "csv",
@@ -1915,7 +1915,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-node"
-version = "0.5.7"
+version = "0.5.8"
 dependencies = [
  "napi",
  "napi-build",
@@ -1925,7 +1925,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-python"
-version = "0.5.7"
+version = "0.5.8"
 dependencies = [
  "numpy",
  "pyo3",
@@ -1934,7 +1934,7 @@ dependencies = [
 
 [[package]]
 name = "wickra-wasm"
-version = "0.5.7"
+version = "0.5.8"
 dependencies = [
  "console_error_panic_hook",
  "js-sys",