Bump actions/setup-java from 5 to 6 (#635)

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 5 to 6.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: gradle/actions/wrapper-validation@v6.3.0
 
-      - uses: actions/setup-java@v5
+      - uses: actions/setup-java@v6
         with:
           distribution: 'zulu'
           java-version: 8

.github/workflows/manual_drop.yaml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: gradle/actions/wrapper-validation@v6.3.0
 
-      - uses: actions/setup-java@v5
+      - uses: actions/setup-java@v6
         with:
           distribution: 'zulu'
           java-version: 8

.github/workflows/release.yaml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: gradle/actions/wrapper-validation@v6.3.0
 
-      - uses: actions/setup-java@v5
+      - uses: actions/setup-java@v6
         with:
           distribution: 'zulu'
           java-version: 8