Bump actions/setup-java from 5.3.0 to 5.4.0

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 5.3.0 to 5.4.0.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@ad2b381...1bcf9fb)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-version: 5.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/copilot-setup-steps.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Set up JDK 21
-        uses: actions/setup-java@ad2b38190b15e4d6bdf0c97fb4fca8412226d287 # v5.3.0
+        uses: actions/setup-java@1bcf9fb12cf4aa7d266a90ae39939e61372fe520 # v5.4.0
         with:
           java-version: '21'
           distribution: 'temurin'