Make workflow green again (#49)

Author: skipi

.semaphore/semaphore.yml

@@ -15,11 +15,11 @@ agent:
   machine:
     type: e1-standard-2
     os_image: ubuntu1804
-    
+
 global_job_config:
   prologue:
     commands:
-      - sem-version php 7.3
+      - sem-version php 7.4
 # Blocks are the heart of a pipeline and are executed sequentially.
 # Each block has a task that defines one or more jobs. Jobs define the
 # commands to execute.