attempt to get files_changed

.github/workflows/Lint.yml

@@ -12,7 +12,7 @@ env:
 jobs:
   lint:
     runs-on: ubuntu-latest
-    timeout-minutes: 2
+    timeout-minutes: 10
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/test-notebooks.yml

@@ -2,13 +2,9 @@ name: "Test notebooks"
 
 on: [push, workflow_dispatch]
 
-concurrency:
-  group: ${{ github.repository }}-${{ github.ref }}-${{ github.head_ref }}
-  cancel-in-progress: true
-
 jobs:
   tests:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
@@ -19,5 +15,18 @@ jobs:
         run: |
           python -m pip install -U -r requirements.txt
           python -m pip install -U pytest
+
+      - name: Get changed files
+        id: changed-files
+        run: |
+            if ${{ github.event_name == 'push' }}; then
+                echo "changed_files=$(git diff --name-only ${{ github.event.before }} ${{ github.event.after }} | xargs)" >> $GITHUB_OUTPUT
+            fi
+      - name: List changed files
+        run: |
+            for file in ${{ steps.changed-files.outputs.changed_files }}; do
+                echo "$file was changed"
+            done
+
       - name: 'Run tests'
         run: python -m pytest tests