Update check.yaml

Able to run check manually

Author: jalukse

.github/workflows/check.yaml

@@ -5,6 +5,7 @@ on:
     workflows: ["Run tests"]
     types:
       - completed
+  workflow_dispatch:
 
 permissions:
     contents: read
@@ -36,4 +37,4 @@ jobs:
 
       - name: Run spotbugs check
         run: |
-          ./mvnw spotbugs:check    
+          ./mvnw spotbugs:check