chore: align packageManager and engines fields across repos

- Change packageManager to exact version: pnpm@10.21.0 (Corepack requires exact semver)
- Update engines.pnpm from >=10.16.0 to >=10.21.0 (align with other repos)
- engines.node already consistent at >=18

Author: jdalton

package.json

@@ -1,19 +1,19 @@
 {
   "name": "@socketsecurity/sdk",
   "version": "3.1.3",
-  "packageManager": "pnpm@>=10.21.0",
+  "packageManager": "pnpm@10.21.0",
   "license": "MIT",
   "description": "SDK for the Socket API client",
-  "author": {
-    "name": "Socket Inc",
-    "email": "eng@socket.dev",
-    "url": "https://socket.dev"
-  },
   "homepage": "https://github.com/SocketDev/socket-sdk-js",
   "repository": {
     "type": "git",
     "url": "git://github.com/SocketDev/socket-sdk-js.git"
   },
+  "author": {
+    "name": "Socket Inc",
+    "email": "eng@socket.dev",
+    "url": "https://socket.dev"
+  },
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "exports": {
@@ -35,6 +35,17 @@
       "default": "./types/api-helpers.d.ts"
     }
   },
+  "files": [
+    "CHANGELOG.md",
+    "data/*.json",
+    "dist/*.d.ts",
+    "dist/*.js",
+    "types/*.d.ts"
+  ],
+  "engines": {
+    "node": ">=18",
+    "pnpm": ">=10.21.0"
+  },
   "scripts": {
     "build": "node scripts/build.mjs",
     "bump": "node scripts/bump.mjs",
@@ -103,17 +114,6 @@
       "vite": "7.1.12"
     }
   },
-  "engines": {
-    "node": ">=18",
-    "pnpm": ">=10.16.0"
-  },
-  "files": [
-    "CHANGELOG.md",
-    "data/*.json",
-    "dist/*.d.ts",
-    "dist/*.js",
-    "types/*.d.ts"
-  ],
   "typeCoverage": {
     "cache": true,
     "atLeast": 99,