chore(deps): update anchore/scan-action action to v4 (#134)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/reusable-build.yaml

@@ -86,7 +86,7 @@ jobs:
           severity: 'CRITICAL'
       - name: Run Grype vulnerability scanner on PR
         if: ${{ github.event_name == 'pull_request' }}
-        uses: anchore/scan-action@v3
+        uses: anchore/scan-action@v4
         with:
           image: ${{ steps.meta.outputs.tags }}
           severity-cutoff: critical
@@ -102,7 +102,7 @@ jobs:
       - name: Run Grype vulnerability scanner on push
         if: ${{ github.event_name == 'push' }}
         id: grype
-        uses: anchore/scan-action@v3
+        uses: anchore/scan-action@v4
         with:
           image: ${{ steps.meta.outputs.tags }}
           severity-cutoff: critical