GH actions with version hash

Signed-off-by: Pedro Escaleira <pedroescaleira@hotmail.com>

Author: oEscal

.github/workflows/python-ci.yml

@@ -8,12 +8,12 @@ on:
 
 jobs:
   tests:
-    name: "Python ${{ matrix.python-version }}"
+    name: "Python 3.9"
     runs-on: "ubuntu-latest"
 
     steps:
-      - uses: "actions/checkout@v4"
-      - uses: "actions/setup-python@v5"
+      - uses: "actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683" # v4.2.2
+      - uses: "actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065" # v5.6.0
         with:
           python-version: '3.9'
       - name: Install dependencies