update CI workflow to use Python 3.8.10 and upgrade setup-python action to v5

Author: OriHoch

.github/workflows/ci.yml

@@ -7,9 +7,9 @@ jobs:
   ci:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: '3.8.10'
     - env:
         DOCKER_APP_IMAGE_NAME: "ghcr.io/hasadna/knesset-data-pipelines/knesset-data-pipelines-airflow"
         DOCKER_LEGACY_IMAGE_NAME: "ghcr.io/hasadna/knesset-data-pipelines/knesset-data-pipelines-legacy"