Merge pull request #6 from rossaddison/alert-autofix-9

Potential fix for code scanning alert no. 9: Workflow does not contain permissions

Author: rossaddison

.github/workflows/pgsql.yml

@@ -21,6 +21,8 @@ on:
       - 'psalm.xml'
 
 name: pgsql
+permissions:
+  contents: read
 
 jobs:
   tests: