ci: kludge to wait for docker compose to be up

Signed-off-by: Andrew Berezovskyi <[email protected]>

.github/workflows/maven.yml

@@ -18,7 +18,7 @@ jobs:
       matrix:
         jdk: ['17', '21', '22-ea']
     runs-on: ubuntu-latest
-
+    timeout-minutes: 10
     steps:
       - uses: actions/checkout@v4
         with:
@@ -43,6 +43,7 @@ jobs:
         working-directory: refimpl/src/
         run: |
           mvn -B clean package
+          sleep 30
           docker-compose -f docker-compose.yml up --build --detach
       - name: Run Lyo Test Suite
         working-directory: testsuite