build(deps): bump anchore/sbom-action from 0.20.11 to 0.21.0

Bumps [anchore/sbom-action](https://github.com/anchore/sbom-action) from 0.20.11 to 0.21.0.
- [Release notes](https://github.com/anchore/sbom-action/releases)
- [Changelog](https://github.com/anchore/sbom-action/blob/main/RELEASE.md)
- [Commits](anchore/sbom-action@v0.20.11...v0.21.0)

---
updated-dependencies:
- dependency-name: anchore/sbom-action
  dependency-version: 0.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -88,7 +88,7 @@ jobs:
           fetch-depth: 0
       - uses: docker/setup-qemu-action@v3
       - uses: docker/setup-buildx-action@v3
-      - uses: anchore/sbom-action/download-syft@v0.20.11
+      - uses: anchore/sbom-action/download-syft@v0.21.0
       - name: Setup go
         uses: actions/setup-go@v6
         with:

.github/workflows/release.yml

@@ -59,7 +59,7 @@ jobs:
       - uses: sigstore/[email protected]
         with:
           cosign-release: v2.6.1
-      - uses: anchore/sbom-action/download-syft@v0.20.11
+      - uses: anchore/sbom-action/download-syft@v0.21.0
       - name: GHCR Login
         uses: docker/login-action@v3
         with: