Flip workflows to recreate cache artefact.

Author: alan-forbes-cp

.github/workflows/create_opencl_cts_artefact.yml

@@ -5,8 +5,8 @@ name: Create an cache OpenCL-CTS artefact
 on:
   # ALAN TODO: set to pull_request to build in PR.
   #            for production restore workflow_dispatch - and usage of all inputs
-  workflow_dispatch:
-  #pull_request:
+  #workflow_dispatch:
+  pull_request:
     inputs:
       header_ref:
         required: false

.github/workflows/planned_testing_caller_19.yml

@@ -1,8 +1,8 @@
 name: run planned tests for llvm 19
 on:
   # Temporarily disable planned tests by using workflow_dispatch
-  pull_request:
-  #workflow_dispatch:
+  #pull_request:
+  workflow_dispatch:
     paths:
       - '.github/workflows/planned_testing_caller_19.yml'
   schedule: