Update java version on github actions

Author: SimunKaracic

.github/workflows/ci.yml

@@ -11,6 +11,6 @@ jobs:
       - run: git fetch --depth=1 origin '+refs/tags/*:refs/tags/*'
       - uses: olafurpg/setup-scala@v10
         with:
-          java-version: [email protected]242
+          java-version: [email protected]252
       - name: Test
         run: csbt +test