deps(deps): update softprops/action-gh-release digest to a06a81a

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

Author: renovate[bot]

.github/workflows/release.yaml

@@ -63,7 +63,7 @@ jobs:
           output-file: ./sbom-validator.spdx.json
 
       - name: Attach artifacts to release
-        uses: softprops/action-gh-release@72f2c25fcb47643c292f7107632f7a47c1df5cd8 # v2
+        uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b # v2
         with:
           tag_name: ${{ needs.release-please.outputs.tag_name }}
           files: |