chore: adjust license to BSD-3-Clause in package.json for package sdk and middleware (#7403)

* chore: change sdk package.json license to BSD-3-Clause

* chore: update middleware package.json license to BSD-3-Clause

Author: maxiroellplenty

packages/middleware/package.json

@@ -4,7 +4,7 @@
   "main": "lib/index.cjs.js",
   "module": "lib/index.es.js",
   "types": "lib/index.d.ts",
-  "license": "MIT",
+  "license": "BSD-3-Clause",
   "files": [
     "lib"
   ],

packages/sdk/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vue-storefront/sdk",
-  "license": "MIT",
+  "license": "BSD-3-Clause",
   "version": "3.4.1",
   "main": "lib/index.cjs.js",
   "module": "lib/index.es.js",