chore(deps): update dependency git-chglog/git-chglog to v0.15.0 (#24)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [git-chglog/git-chglog](https://github.com/git-chglog/git-chglog) | minor | `v0.14.2` -> `v0.15.0` |

---

### Release Notes

<details>
<summary>git-chglog/git-chglog</summary>

### [`v0.15.0`](https://github.com/git-chglog/git-chglog/blob/master/CHANGELOG.md#v0150---2021-07-09)

[Compare Source](https://github.com/git-chglog/git-chglog/compare/v0.14.2...v0.15.0)

##### Bug Fixes

-   **deps:** update module github.com/alecaivazis/survey/v2 to v2.2.14 ([#&#8203;158](https://github.com/git-chglog/git-chglog/issues/158))
-   **deps:** update module github.com/alecaivazis/survey/v2 to v2.2.13 ([#&#8203;156](https://github.com/git-chglog/git-chglog/issues/156))
-   **deps:** update module github.com/fatih/color to v1.12.0 ([#&#8203;150](https://github.com/git-chglog/git-chglog/issues/150))
-   **deps:** update module github.com/fatih/color to v1.11.0 ([#&#8203;149](https://github.com/git-chglog/git-chglog/issues/149))
-   **deps:** update module github.com/alecaivazis/survey/v2 to v2.2.12 ([#&#8203;147](https://github.com/git-chglog/git-chglog/issues/147))

##### Chores

-   **deps:** update alpine docker tag to v3.14.0 ([#&#8203;153](https://github.com/git-chglog/git-chglog/issues/153))

##### Features

-   Automatic link for gitlab merge requests ([#&#8203;160](https://github.com/git-chglog/git-chglog/issues/160))

</details>

---

### Configuration

📅 **Schedule**: At any time (no schedule defined).

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

♻ **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 has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

Reviewed-on: docker/git-chglog#24
Co-authored-by: Renovator Bot <renovator@rknet.org>
Co-committed-by: Renovator Bot <renovator@rknet.org>

Dockerfile

@@ -10,7 +10,7 @@ LABEL org.opencontainers.image.documentation="https://gitea.rknet.org/docker/git
 ARG BUILD_VERSION
 
 # renovate: datasource=github-releases depName=git-chglog/git-chglog
-ENV CHGLOG_VERSION="${BUILD_VERSION:-v0.14.2}"
+ENV CHGLOG_VERSION="${BUILD_VERSION:-v0.15.0}"
 
 COPY overlay/ /