feat: Add risks_v6 tag to GitHub CI workflows

- Add 'risks_v6' tag to overmindtech/actions/submit-plan in both automatic and manual workflows
- This will help identify and track changes using the latest risks v6 model
- Tag will be visible in Overmind dashboard for filtering and reporting

Changes:
- .github/workflows/automatic.yml: Added tags: 'risks_v6' to submit-plan action
- .github/workflows/manual.yml: Added tags: 'risks_v6' to submit-plan action

Author: jameslaneovermind

.github/workflows/automatic.yml

@@ -100,6 +100,7 @@ jobs:
         with:
           ovm-api-key: ${{ secrets.OVM_API_KEY }}
           plan-json: ./tfplan.json
+          tags: 'risks_v6'
 
       - name: Install prerequisites
         if: github.event.pull_request.merged == true

.github/workflows/manual.yml

@@ -40,6 +40,7 @@ jobs:
         with:
           ovm-api-key: ${{ secrets.OVM_API_KEY }}
           plan-json: ./tfplan.json
+          tags: 'risks_v6'
 
       - uses: overmindtech/actions/start-change@main
         continue-on-error: true