ci: specify the PR branch target

Author: williamdes

.github/workflows/lint-and-analyse.yml

@@ -5,12 +5,7 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
     branches:
-        # Branches from forks have the form 'user:branch-name' so we only run
-        # this job on pull_request events for branches that look like fork
-        # branches. Without this we would end up running this job twice for non
-        # forked PRs, once for the push and then once for opening the PR.
-        # Source: https://github.community/t/how-to-trigger-an-action-on-push-or-pull-request-but-not-both/16662/10
-      - '**:**'
+      - main
 
 jobs:
     lint-php:

.github/workflows/lint-docs.yml

@@ -5,12 +5,8 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
     branches:
-      # Branches from forks have the form 'user:branch-name' so we only run
-      # this job on pull_request events for branches that look like fork
-      # branches. Without this we would end up running this job twice for non
-      # forked PRs, once for the push and then once for opening the PR.
-      # Source: https://github.community/t/how-to-trigger-an-action-on-push-or-pull-request-but-not-both/16662/10
-    - '**:**'
+      - main
+
 jobs:
     lint-docs:
         runs-on: ubuntu-latest

.github/workflows/tests.yml

@@ -5,12 +5,7 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
     branches:
-      # Branches from forks have the form 'user:branch-name' so we only run
-      # this job on pull_request events for branches that look like fork
-      # branches. Without this we would end up running this job twice for non
-      # forked PRs, once for the push and then once for opening the PR.
-      # Source: https://github.community/t/how-to-trigger-an-action-on-push-or-pull-request-but-not-both/16662/10
-    - '**:**'
+      - main
 
 jobs:
     test-php: