feat: add "webiny" package to preapproved packages in yarnrc security article

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: brunozoric

docs/developer-docs/6.x/infrastructure/yarnrc-security.mdx

@@ -31,6 +31,7 @@ enableScripts: false
 npmMinimalAgeGate: 3d
 npmPreapprovedPackages:
   - "@webiny/*"
+  - "webiny"
   - "wts-client"
 
 approvedGitRepositories:
@@ -95,6 +96,7 @@ If you publish your own packages or work with a trusted vendor whose packages yo
 ```yaml .yarnrc.yml
 npmPreapprovedPackages:
   - "@webiny/*"
+  - "webiny"
   - "wts-client"
   - "@your-org/*"
 ```