use python action

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

.github/workflows/assigner-workflow.yml

@@ -58,17 +58,10 @@ jobs:
           echo "ABORT: PR number validation failed!"
           exit 1
 
-
       - name: Set up Python
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
+        uses: zephyrproject-rtos/action-python-setup@main
         with:
           python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: Install Python packages
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
 
       - name: Run assignment script
         env:

.github/workflows/assigner.yml

@@ -34,15 +34,9 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
+        uses: zephyrproject-rtos/action-python-setup@main
         with:
           python-version: 3.12
-          cache: pip
-          cache-dependency-path: scripts/requirements-actions.txt
-
-      - name: Install Python packages
-        run: |
-          pip install -r scripts/requirements-actions.txt --require-hashes
 
       - name: west setup
         if: >