Install Python using dedicated Github Action

Author: alexandrebouthinon

.github/actions/deploy-doc/action.yml

@@ -28,9 +28,6 @@ runs:
   steps:
     - name: Install AWS CLI
       run: |
-        sudo apt-get update
-        sudo add-apt-repository universe
-        sudo apt-get install python python-pip
         pip install awscli --upgrade --user
       shell: bash
     - name: Build documentation

.github/workflows/push_dev.workflow.yml

@@ -81,6 +81,10 @@ jobs:
       - uses: actions/setup-node@v1
         with:
           node-version: "12"
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.9'
       - uses: ./.github/actions/deploy-doc
         env:
           NODE_OPTIONS: "--max_old_space_size=4096"

.github/workflows/push_master.workflow.yml

@@ -81,6 +81,10 @@ jobs:
       - uses: actions/setup-node@v1
         with:
           node-version: "12"
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.9'
       - uses: ./.github/actions/deploy-doc
         env:
           NODE_OPTIONS: "--max_old_space_size=4096"