reinstall python3 and check

Author: patapenka-alexey

.github/workflows/packing.yml

@@ -555,6 +555,8 @@ jobs:
 
       - name: Run tests
         run: |
+          apt install --reinstall python3
+          python3 -c "import runpy; print('runpy module is available')"
           . .venv/bin/activate
           apt install -y `pwd`/deb_dist/python3-tarantool_*.deb
           ls -la /usr/lib/python3/dist-packages/tarantool

requirements-test.txt

@@ -10,6 +10,3 @@ codespell == 2.3.0 ; python_version >= '3.8'
 codespell == 2.2.5 ; python_version < '3.8'
 setuptools >= 75.3.2
 cmake == 3.15.3
-runpy-tool
-msgpack
-pytz