build(deps): bump anchore/sbom-action from 0.18.0 to 0.20.6

Bumps [anchore/sbom-action](https://github.com/anchore/sbom-action) from 0.18.0 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](anchore/sbom-action@f325610...f8bdd1d)

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

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

Author: dependabot[bot]

.github/workflows/goreleaser.yml

@@ -27,7 +27,7 @@ jobs:
           go-version-file: go.mod
 
       - name: Install Syft
-        uses: anchore/sbom-action/download-syft@f325610c9f50a54015d37c8d16cb3b0e2c8f4de0 # v0.18.0
+        uses: anchore/sbom-action/download-syft@f8bdd1d8ac5e901a77a92f111440fdb1b593736b # v0.20.6
 
       - name: Run GoReleaser
         id: run-goreleaser