add missing checkout (#191)

* add missing checkout

* Add test docker on release PR and release (only push on tag

Author: jorgensd

.github/workflows/publish_docker.yml

@@ -2,10 +2,12 @@ name: Publish tutorial docker image
 on:
   push:
     branches:
-      - "!*"
+      - "release"
     tags:
       - "v*"
-
+  pull_request:
+    branches:
+      - "release"
   workflow_dispatch:
 
 env:

.github/workflows/test_nightly.yml

@@ -26,6 +26,7 @@ jobs:
       PYVISTA_JUPYTER_BACKEND: html
 
     steps:
+      - uses: actions/checkout@v4
 
       - name: Special handling of some installation
         uses: ./.github/actions/install-dependencies