Potential fix for code scanning alert no. 22: Workflow does not contain permissions

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Author: vaind

.github/workflows/script-tests.yml

@@ -1,5 +1,7 @@
 # This isn't a reusable workflow but a CI action for this repo itself - testing the contained workflows & scripts.
 name: Script Tests
+permissions:
+  contents: read
 
 on:
   push: