fix: update workflow to use AWS_DEPLOYMENT_ROLE variable name

- Change AWS_ROLE to AWS_DEPLOYMENT_ROLE in workflow condition and role assumption
- Match existing GitHub repository variable naming convention
- Fixes workflow skipping issue when AWS variables are configured

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: PaulDuvall

.github/workflows/npm-publish-simple.yml

@@ -12,7 +12,7 @@ permissions:
 jobs:
   publish:
     runs-on: ubuntu-latest
-    if: vars.AWS_ROLE != ''
+    if: vars.AWS_DEPLOYMENT_ROLE != ''
 
     steps:
       - uses: actions/checkout@v4
@@ -24,7 +24,7 @@ jobs:
 
       - uses: aws-actions/configure-aws-credentials@v4
         with:
-          role-to-assume: ${{ vars.AWS_ROLE }}
+          role-to-assume: ${{ vars.AWS_DEPLOYMENT_ROLE }}
           aws-region: ${{ vars.AWS_REGION || 'us-east-1' }}
 
       - name: Configure NPM