chore(deps): update davidanson/markdownlint-cli2 docker tag to v0.17.1 (#21)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [davidanson/markdownlint-cli2](https://github.com/DavidAnson/markdownlint-cli2) | minor | `v0.14.0` -> `v0.17.1` |

---

### Release Notes

<details>
<summary>DavidAnson/markdownlint-cli2 (davidanson/markdownlint-cli2)</summary>

### [`v0.17.1`](https://github.com/DavidAnson/markdownlint-cli2/compare/v0.17.0...v0.17.1)

[Compare Source](https://github.com/DavidAnson/markdownlint-cli2/compare/v0.17.0...v0.17.1)

### [`v0.17.0`](https://github.com/DavidAnson/markdownlint-cli2/compare/v0.16.0...v0.17.0)

[Compare Source](https://github.com/DavidAnson/markdownlint-cli2/compare/v0.16.0...v0.17.0)

### [`v0.16.0`](https://github.com/DavidAnson/markdownlint-cli2/compare/v0.15.0...v0.16.0)

[Compare Source](https://github.com/DavidAnson/markdownlint-cli2/compare/v0.15.0...v0.16.0)

### [`v0.15.0`](https://github.com/DavidAnson/markdownlint-cli2/compare/v0.14.0...v0.15.0)

[Compare Source](https://github.com/DavidAnson/markdownlint-cli2/compare/v0.14.0...v0.15.0)

</details>

---

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---

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Reviewed-on: #21
Reviewed-by: OCram85 <marco.blessing@googlemail.com>
Co-authored-by: renovate-bot <renovate@ocram85.com>
Co-committed-by: renovate-bot <renovate@ocram85.com>

.woodpecker/ci.yml

@@ -36,7 +36,7 @@ steps:
     #  path: "Dockerfile"
 
   lint-markdown:
-    image: davidanson/markdownlint-cli2:v0.14.0
+    image: davidanson/markdownlint-cli2:v0.17.1
     commands:
       - "markdownlint-cli2 *.{md,markdown}"
     when: