build(deps): Bump anchore/sbom-action in the ci group

Bumps the ci group with 1 update: [anchore/sbom-action](https://github.com/anchore/sbom-action).


Updates `anchore/sbom-action` from 0.20.5 to 0.20.6
- [Release notes](https://github.com/anchore/sbom-action/releases)
- [Changelog](https://github.com/anchore/sbom-action/blob/main/RELEASE.md)
- [Commits](da167eac91...f8bdd1d8ac)

---
updated-dependencies:
- dependency-name: anchore/sbom-action
  dependency-version: 0.20.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ci
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release.yml

@@ -37,7 +37,7 @@ jobs:
           cache: false
 
       - name: Setup Syft
-        uses: anchore/sbom-action/download-syft@da167eac915b4e86f08b264dbdbc867b61be6f0c # v0.20.5
+        uses: anchore/sbom-action/download-syft@f8bdd1d8ac5e901a77a92f111440fdb1b593736b # v0.20.6
 
       - name: Setup Cosign
         uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0