Bump actions/setup-java from 2 to 4

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 2 to 4.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@v2...v4)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
      # - name: "🧪 Gradle Wrapper Validation"
      #   uses: gradle/wrapper-validation-action@v1
       - name: "🧰 Install JDK"
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: 'adopt'
           java-version: 8

.github/workflows/windows.yml

@@ -9,7 +9,7 @@ jobs:
      # - name: "🧪 Gradle Wrapper Validation"
      #   uses: gradle/wrapper-validation-action@v1
       - name: "🧰 Install JDK"
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: 'adopt'
           java-version: 8