chore: normalise engines.node to >=22 + bump pnpm to 10.32.1 (#78)

Author: benhigham

.changeset/drop-node-20.md

@@ -0,0 +1,6 @@
+---
+'@benhigham/stylelint-config': patch
+---
+
+- Normalise `engines.node` to `>=22` (was `>=22.15.0`) for consistency with other config repos
+- Bump `packageManager` to `pnpm@10.32.1`

package.json

@@ -21,9 +21,9 @@
   "exports": "./src/index.js",
   "sideEffects": false,
   "engines": {
-    "node": ">=22.15.0"
+    "node": ">=22"
   },
-  "packageManager": "pnpm@10.15.0",
+  "packageManager": "pnpm@10.32.1",
   "scripts": {
     "format": "prettier --write .",
     "format:check": "prettier --check .",