chore(deps): update gradle/wrapper-validation-action digest to b231772 (#1276)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| gradle/wrapper-validation-action | action | digest | `63d15e7` ->
`b231772` |

---

### Configuration

📅 **Schedule**: 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 has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/line/line-bot-sdk-java).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4yNjEuMCIsInVwZGF0ZWRJblZlciI6IjM3LjI2MS4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

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

Author: renovate[bot]

.github/workflows/publish.yml

@@ -19,7 +19,7 @@ jobs:
           distribution: 'temurin'
 
       - name: Validate Gradle wrapper
-        uses: gradle/wrapper-validation-action@63d15e7a1e697b1de6f3ba0507106f89100c8518
+        uses: gradle/wrapper-validation-action@b231772637bb498f11fdbc86052b6e8a8dc9fc92
 
       - name: Show Version Number
         id: version