ci(deps): update aquasecurity/trivy-action action to v0.21.0 (#31)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[aquasecurity/trivy-action](https://togithub.com/aquasecurity/trivy-action)
| action | minor | `0.20.0` -> `0.21.0` |

---

### Release Notes

<details>
<summary>aquasecurity/trivy-action (aquasecurity/trivy-action)</summary>

###
[`v0.21.0`](https://togithub.com/aquasecurity/trivy-action/compare/0.20.0...0.21.0)

[Compare
Source](https://togithub.com/aquasecurity/trivy-action/compare/0.20.0...0.21.0)

</details>

---

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---

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.github/workflows/docker_dockerhub_release_callable.yml

@@ -68,7 +68,7 @@ jobs:
           cache-from: type=gha
           cache-to: type=gha,mode=max
       - name: Run Trivy vulnerability scanner
-        uses: aquasecurity/trivy-action@b2933f565dbc598b29947660e66259e3c7bc8561 # 0.20.0
+        uses: aquasecurity/trivy-action@fd25fed6972e341ff0007ddb61f77e88103953c2 # 0.21.0
         with:
           image-ref: ${{ env.IMAGE_NAME }}:trivy-scan
           format: "sarif"