build(deps): bump actions/setup-java in the github-actions group

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


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

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

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

.github/workflows/android.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Set up JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: temurin
           java-version: '21'

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ appcompat = "1.7.1"
 material = "1.12.0"
 constraintlayout = "2.2.1"
 kotlin = "2.4.10"
-coreKtx = "1.19.0"
+coreKtx = "1.15.0"
 
 [libraries]
 junit = { group = "junit", name = "junit", version.ref = "junit" }