Bump actions/setup-java from 5.6.0 to 6.0.0

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 5.6.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](https://github.com/actions/setup-java/compare/v5.6.0...v6.0.0)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/reusable-jdk-os-matrix.yml

diff --git a/.github/workflows/reusable-jdk-os-matrix.yml b/.github/workflows/reusable-jdk-os-matrix.yml
index 0e46f82..29be2c4 100644
--- a/.github/workflows/reusable-jdk-os-matrix.yml
+++ b/.github/workflows/reusable-jdk-os-matrix.yml
@@ -48,7 +48,7 @@
       # Provision ONLY the specific isolated JDK required for this test run
       - name: 3. Provision Target Isolated Execution JDK
         id: target-jdk
-        uses: actions/setup-java@v5.6.0
+        uses: actions/setup-java@v6.0.0
         with:
           java-version: ${{ inputs.jdk_version }}
           distribution: ${{ inputs.jdk_distribution }}