NRL-1417 temporarily add SBOM step to PR workflow to test

Author: anjalitrace2-nhs

.github/workflows/pr-env-deploy.yml

@@ -2,6 +2,7 @@ name: Deploy PR Environment
 run-name: "${{ github.event.action == 'synchronize' && 'Update' || 'Create' }} PR Environment - #${{ github.event.pull_request.number }} (${{ github.event.pull_request.title }})"
 
 on:
+  workflow_dispatch:
   pull_request:
     types: [opened, reopened, synchronize]
 
@@ -68,6 +69,11 @@ jobs:
       - name: Build Project
         run: make build
 
+      - name: Generate SBOM
+        uses: nhs-england-tools/trivy-action/sbom-scan@v1.4.0
+        with:
+          repo-path: "./"
+
       - name: Configure Management Credentials
         uses: aws-actions/configure-aws-credentials@7474bc4690e29a8392af63c5b98e7449536d5c3a #v4.3.1
         with: