Fix default shell

Author: Flova

.github/workflows/ci.yml

@@ -7,7 +7,9 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-
+    defaults:
+      run:
+        shell: bash
     steps:
       - name: Cancel outdated jobs
         uses: fkirc/skip-duplicate-actions@v5
@@ -31,10 +33,10 @@ jobs:
           cache: true
 
       # Remove comments to spawn an interactive debugging ssh shell in the ci
-      - name: Setup tmate session
-        uses: mxschmitt/action-tmate@v3
-        with:
-          detached: false
+      #- name: Setup tmate session
+      #  uses: mxschmitt/action-tmate@v3
+      #  with:
+      #    detached: false
 
       - name: Build
         run: pixi run build --executor sequential --packages-up-to bitbots_msgs