chore(deps): update docker/setup-buildx-action digest to 8d2750c (#30)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) ([changelog](e468171a9d..8d2750c68a)) | action | digest | `e468171` -> `8d2750c` |

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### Configuration

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Reviewed-on: #30
Reviewed-by: t.behrendt <t.behrendt@noreply.localhost>
Co-authored-by: Renovate Bot <renovate@t00n.de>
Co-committed-by: Renovate Bot <renovate@t00n.de>

.gitea/workflows/cd.yaml

@@ -43,7 +43,7 @@ jobs:
       - linux_${{ matrix.arch }}
     steps:
       - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
-      - uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
+      - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
       - uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3
         with:
           registry: ${{ env.DOCKER_REGISTRY }}

.gitea/workflows/ci.yaml

@@ -11,7 +11,7 @@ jobs:
       - linux_amd64
     steps:
       - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
-      - uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3
+      - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
       - name: Build image
         uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6
         with: