build(medcat v1): CU-869b4at7m Avoid workflow run on main push (#220)

* CU-869b4at7m: Avoid running v1 workflow on main branch push

* CU-869b4at7m: Avoid running v1 tutorials workflow on main branch push

* CU-869b4at7m: Run v1 workflows weekly

Author: mart-r

.github/workflows/medcat-v1-tutorials_main.yml

@@ -1,8 +1,8 @@
 name: medcat-v1-tutorials - Test
 
 on:
-  push:
-    branches: [ main ]
+  schedule:
+    - cron: "0 0 * * 0"  # every Sunday at midnight UTC (avoid clash with v2 stability)
   pull_request:
     paths:
       - 'v1/medcat/**'

.github/workflows/medcat-v1_main.yml

@@ -1,8 +1,8 @@
 name: medcat-v1 - build
 
 on:
-  push:
-    branches: [ main ]
+  schedule:
+    - cron: "0 0 * * 0"  # every Sunday at midnight UTC (avoid clash with v2 stability)
   pull_request:
     paths:
       - 'v1/medcat/**'