Update github-actions to v1.12.0 (#1749)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[docker/github-builder](https://redirect.github.com/docker/github-builder)
| action | minor | `v1.11.0` → `v1.12.0` |

---

### Release Notes

<details>
<summary>docker/github-builder (docker/github-builder)</summary>

###
[`v1.12.0`](https://redirect.github.com/docker/github-builder/releases/tag/v1.12.0)

[Compare
Source](https://redirect.github.com/docker/github-builder/compare/v1.11.0...v1.12.0)

- build/bake: preserve tag refs in git contexts by
[@&#8203;crazy-max](https://redirect.github.com/crazy-max) in
[#&#8203;231](https://redirect.github.com/docker/github-builder/pull/231)
- update Binfmt image to qemu-v10.2.3-68 in
[#&#8203;228](https://redirect.github.com/docker/github-builder/pull/228)

**Full Changelog**:
<docker/github-builder@v1.11.0...v1.12.0>

</details>

---

### Configuration

📅 **Schedule**: (in timezone America/Los_Angeles)

- Branch creation
  - At any time (no schedule defined)
- Automerge
  - At any time (no schedule defined)

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/riscv/riscv-arch-test).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMzEuMSIsInVwZGF0ZWRJblZlciI6IjQzLjIzMS4xIiwidGFyZ2V0QnJhbmNoIjoiYWN0NCIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiXX0=-->

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

Author: renovate[bot]

.github/workflows/build-image.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   act4-build-image:
-    uses: docker/github-builder/.github/workflows/build.yml@70ac3fc303efa83d2b94905e6ab78bb83cbdc2ae # v1.11.0
+    uses: docker/github-builder/.github/workflows/build.yml@5f637c833aa76bc99372a1dc9a6f8bcd8056fb85 # v1.12.0
     permissions:
       contents: read
       id-token: write
@@ -37,7 +37,7 @@ jobs:
 
   act4-image:
     needs: act4-build-image
-    uses: docker/github-builder/.github/workflows/build.yml@70ac3fc303efa83d2b94905e6ab78bb83cbdc2ae # v1.11.0
+    uses: docker/github-builder/.github/workflows/build.yml@5f637c833aa76bc99372a1dc9a6f8bcd8056fb85 # v1.12.0
     permissions:
       contents: read
       id-token: write