Bump anchore/sbom-action from 0.20.6 to 0.20.8 (#3617)

Bumps [anchore/sbom-action](https://github.com/anchore/sbom-action) from 0.20.6 to 0.20.8.
- [Release notes](https://github.com/anchore/sbom-action/releases)
- [Changelog](https://github.com/anchore/sbom-action/blob/main/RELEASE.md)
- [Commits](anchore/sbom-action@f8bdd1d...aa0e114)

---
updated-dependencies:
- dependency-name: anchore/sbom-action
  dependency-version: 0.20.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -116,7 +116,7 @@ jobs:
         token: ${{ secrets.CODECOV_TOKEN }}
 
     - name: Generate SBOM
-      uses: anchore/sbom-action@f8bdd1d8ac5e901a77a92f111440fdb1b593736b # v0.20.6
+      uses: anchore/sbom-action@aa0e114b2e19480f157109b9922bda359bd98b90 # v0.20.8
       if: runner.os == 'Windows'
       with:
         artifact-name: Swashbuckle.AspNetCore.spdx.json