chore(deps): update sap/project-piper-action action to v1.25.6 (#8210)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[SAP/project-piper-action](https://redirect.github.com/SAP/project-piper-action)
| action | patch | `v1.25.5` → `v1.25.6` |

---

### Release Notes

<details>
<summary>SAP/project-piper-action (SAP/project-piper-action)</summary>

###
[`v1.25.6`](https://redirect.github.com/SAP/project-piper-action/releases/tag/v1.25.6)

[Compare
Source](https://redirect.github.com/SAP/project-piper-action/compare/v1.25.5...v1.25.6)

##### What's Changed

- No changes

</details>

---

### Configuration

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Automerge - At any time (no schedule defined).

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previously.

♻ **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

---

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.github/workflows/open-source-security.yml

@@ -16,13 +16,13 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: artifactPrepareVersion
-        uses: SAP/project-piper-action@f66f62d361ca1a00267120acf25134a37e373c3f # v1.25.5
+        uses: SAP/project-piper-action@f66f62d361ca1a00267120acf25134a37e373c3f # v1.25.6
         with:
           step-name: artifactPrepareVersion
           flags: --versioningType cloud_noTag
 
       - name: detectExecuteScan
-        uses: SAP/project-piper-action@f66f62d361ca1a00267120acf25134a37e373c3f # v1.25.5
+        uses: SAP/project-piper-action@f66f62d361ca1a00267120acf25134a37e373c3f # v1.25.6
         with:
           step-name: detectExecuteScan
           flags: '--token ${{ secrets.DETECT_TOKEN }}'