Update anchore/sbom-action digest to fbfd9c6

Author: renovate[bot]

.github/workflows/build.yml

@@ -122,7 +122,7 @@ jobs:
       run: go build .
 
     - name: Generate SBOM
-      uses: anchore/sbom-action@8e94d75ddd33f69f691467e42275782e4bfefe84 # v0
+      uses: anchore/sbom-action@fbfd9c6c189226748411491745178e0c2017392d # v0
       with:
         syft-version: 'v1.29.0'
         artifact-name: blazectl-${{ matrix.os }}-${{ matrix.arch }}-sbom.spdx.json