Improve github workflow

Author: moratorium08

.github/workflows/test.yaml

@@ -12,7 +12,7 @@ env:
 jobs:
   test:
     runs-on: ubuntu-latest
-    container: moratorium08/hopdr
+    container: moratorium08/hopdr:aplas24
     steps:
     - uses: actions/checkout@v2
       with:
@@ -60,7 +60,7 @@ jobs:
     - name: Benchmark 
       run: cd scripts && eval $(opam env) && python3 bench.py --base $PWD/../benchmark --timeout 180 --json golem_unsafe.json golem_unsafe && python3 bench.py --base $PWD/../benchmark --timeout 10 --json golem_safe.json golem_safe
     - name: install requests
-      run: pip install requests
+      run: apt install -y python3-pip && pip install requests
     - name: Notify
       env:
         SLACK_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}