Update docker/build-push-action action to v6 (#164)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[docker/build-push-action](https://togithub.com/docker/build-push-action)
| action | major | `v5` -> `v6` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>docker/build-push-action (docker/build-push-action)</summary>

###
[`v6`](https://togithub.com/docker/build-push-action/compare/v5...v6)

[Compare
Source](https://togithub.com/docker/build-push-action/compare/v5...v6)

</details>

---

### Configuration

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Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

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rebase/retry checkbox.

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---

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.github/workflows/push-pr-lint.yaml

@@ -27,7 +27,7 @@ jobs:
 
     - name: Build image - no push
       id: dockerbuild
-      uses: docker/build-push-action@v5
+      uses: docker/build-push-action@v6
       with:
          context: .
          push: false

.github/workflows/release-docker-image.yml

@@ -49,7 +49,7 @@ jobs:
 
       - name: Build and Push Images
         id: dockerbuild
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           provenance: false
           context: .