Update anchore/sbom-action action to v0.17.6 (#2737)

| datasource  | package             | from    | to      |
| ----------- | ------------------- | ------- | ------- |
| github-tags | anchore/sbom-action | v0.17.5 | v0.17.6 |

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -161,7 +161,7 @@ jobs:
         if: ${{ github.event_name == 'push' && github.ref != 'refs/heads/main' }}
 
       - name: Download Syft
-        uses: anchore/sbom-action/download-syft@1ca97d9028b51809cf6d3c934c3e160716e1b605 # v0.17.5
+        uses: anchore/sbom-action/download-syft@251a468eed47e5082b105c3ba6ee500c0e65a764 # v0.17.6
         if: github.ref_type == 'tag'
 
       - name: Install Cosign