On push, cancel in-progress runs EXCEPT on main

.github/workflows/waste_time.yaml

@@ -1,6 +1,16 @@
 on:
   pull_request:
     types: [opened, edited, synchronize, reopened]
+  push:
+    branches:
+      - main
+      - ci/**
+
+
+concurrency:
+  # Don't cancel on main
+  group: ${{ github.workflow }}-${{ github.ref == refs/heads/main && github.run_id || github.event.pull_request_number || github.ref }}
+  cancel-in-progress: true
 
 
 # For Draft PRs, we only want the herpaderp step 1
@@ -25,12 +35,12 @@ jobs:
         if: ${{ github.event.pull_request.draft == true && matrix.config.moo == 'herpaderp' }}
         run: |
           echo "Doing the thing"
-          sleep 5
+          sleep 20
           echo "The thing is done"
       - name: Always run
         run: |
           echo "This thing always happens"
-          sleep 5
+          sleep 20
           echo "And has now been concluded"
 
   meowtrix:
@@ -52,10 +62,10 @@ jobs:
       - name: First step
         run: |
           echo "Doing the thing"
-          sleep 5
+          sleep 20
           echo "The thing is done"
       - name: Second step
         run: |
           echo "Doing the other thing"
-          sleep 5
+          sleep 20
           echo "The other thing is also done"