Add merge_group trigger to ci

Author: usbalbin

.github/workflows/ci.yml

@@ -1,5 +1,6 @@
 on:
   pull_request:
+  merge_group:
 
 name: Continuous integration
 

.github/workflows/clippy.yml

@@ -2,6 +2,7 @@ on:
   push:
     branches: [ staging, trying, master ]
   pull_request:
+  merge_group:
 
 name: Clippy check
 

.github/workflows/rustfmt.yml

@@ -2,6 +2,7 @@ on:
   push:
     branches: [ staging, trying, master ]
   pull_request:
+  merge_group:
 
 name: Code formatting check