Fix Trivy Security Scan action reference in build-devcontainer workflow

Author: DevNiall

.github/workflows/build-devcontainer.yml

@@ -94,7 +94,7 @@ jobs:
       # Using the custom Trivy Security Scan action from this repository
       - name: Security Scan
         id: security-scan
-        uses: smartdatafoundry/trivy-security-scan/.github/actions/trivy-security-scan@v1.0.0
+        uses: smartdatafoundry/trivy-security-scan@v1.0.0
         with:
           image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           registry: ${{ env.REGISTRY }}