Bump gradle/actions from 6.0.1 to 6.1.0 in the github-actions group (#221)

Bumps the github-actions group with 1 update: [gradle/actions](https://github.com/gradle/actions).


Updates `gradle/actions` from 6.0.1 to 6.1.0
- [Release notes](https://github.com/gradle/actions/releases)
- [Commits](gradle/actions@39e147c...50e97c2)

---
updated-dependencies:
- dependency-name: gradle/actions
  dependency-version: 6.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -23,7 +23,7 @@ jobs:
           distribution: 'temurin'
           java-version: 17
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@39e147cb9de83bb9910b8ef8bd7fff0ee20fcd6f # v6.0.1
+        uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6.1.0
       - name: Build User Guide
         run: ./gradlew asciidoctor
       - name: Upload User Guide Artifact