Github workflows should read pip packages and versions from common.json.

Fixes #3423

Author: rschatz

.github/workflows/main.yml

@@ -124,8 +124,9 @@ jobs:
       if: ${{ contains(matrix.env.GATE, 'style') }}
       run: |
         sudo apt install python-pip python-setuptools 
-        sudo pip install astroid==1.1.0
-        sudo pip install pylint==1.1.0
+        cat common.json |
+          jq -r '.deps.common.packages | to_entries[] | select(.key | startswith("pip:")) | (.key | split(":")[1]) + .value' |
+          xargs sudo pip install
     - name: Build GraalVM and run gate
       env: ${{ matrix.env }}
       run: |

common.json

@@ -32,7 +32,7 @@
         "MX_PYTHON": "python3"
       },
       "packages": {
-        "pip:logilab-common ": "==1.4.4",
+        "pip:logilab-common": "==1.4.4",
         "pip:pylint": "==1.9.3",
         "pip:ninja_syntax": "==1.7.2"
       }