try with the exact version of the runner

.gitea/workflows/dockerfile_runner.yaml

@@ -10,7 +10,7 @@ jobs:
     env:
       RUNNER_TOOL_CACHE: /toolcache
     container:
-      image: gitea.tryton.geeraert.eu/pi-ux-ce/custom-runner-debian-slim:latest
+      image: gitea.tryton.geeraert.eu/pi-ux-ce/custom-runner-debian-slim:1.0.5
       volumes:
         - act-toolcache:/opt/hostedtoolcache # this is where Runner store their cache default
     runs-on: ubuntu-latest
@@ -18,12 +18,13 @@ jobs:
 
       - run: echo "🔎 The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
 
+      - name: Check Docker Version
+        run: ln -s /usr/bin/docker /bin/docker
+
       - name: Check out repository code
         uses: actions/checkout@v4
       - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
 
-      - name: Check Docker Version
-        run: docker --version
 
       - name: List files in the repository
         run: |