I wonder if this works

.github/workflows/debug.yml

@@ -0,0 +1,18 @@
+name: Debug
+on: 
+  push:
+    branches:
+      - jgilles/bananas
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup upterm session
+      uses: lhotari/action-upterm@v1
+      with:
+        ## If no one connects after 15 minutes, shut down server.
+        wait-timeout-minutes: 15
+        ## limits ssh access and adds the ssh public key for the user which triggered the workflow
+        limit-access-to-actor: true