Workflow dispatch with options

.github/workflows/pr-php-tests.yml

@@ -2,6 +2,25 @@ name: PHP Tests
 
 on:
   pull_request:
+  workflow_dispatch:
+    inputs:
+      lando-version:
+        description: 'Select Lando version'
+        required: true
+        default: '3-edge'
+        type: choice
+        options:
+          - '3-stable'
+          - '3-edge'
+          - '3-dev'
+          - '4-stable'
+          - '4-edge'
+          - '4-dev'
+      slim:
+        description: 'Use slim version'
+        required: false
+        default: true
+        type: boolean
 
 jobs:
   leia-tests: