try pin conda lock momentarily

.github/workflows/create-condalock-file.yml

@@ -4,9 +4,10 @@ on:
   # Trigger on push on main or other branch for testing
   # NOTE that push: main will create the file very often
   # and hence lots of automated PRs
-  # push:
-  #   branches:
+  push:
+    branches:
   #     - main
+      - pin_conda-lock
   schedule:
     - cron: '0 4 */10 * *'
 
@@ -47,7 +48,7 @@ jobs:
           which python
           python --version
       - name: Install conda-lock
-        run: mamba install -y -c conda-forge conda-lock
+        run: mamba install -y -c conda-forge "conda-lock<2.5.7"
       - name: Check version of conda-lock
         run: conda-lock --version
       - name: Create conda lock file for linux-64