feat: regen proto stubs for decree v0.10.0-alpha.1

Schema spec v0.1.0 additions: ExportConfigRequest/ExportSchemaRequest
gain optional spec_version selector; Schema gains dependent_required
and validations (CEL placeholder, runtime ships separately).

Bumps SDK to 0.3.0-alpha.1 (next published proto-track version per RELEASING.md).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: zeevdr

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@opendecree/sdk",
-  "version": "0.2.0-alpha.1",
+  "version": "0.3.0-alpha.1",
   "description": "TypeScript SDK for OpenDecree — schema-driven configuration management (alpha)",
   "type": "module",
   "main": "./dist/index.js",