CI: set minimal permissions for GitHub Workflows (#218)

Author: diogoteles08

.github/workflows/CI.yml

@@ -2,6 +2,9 @@ name: CI
 
 on: pull_request
 
+permissions:
+  contents: read
+
 jobs:
   ci:
     runs-on: ubuntu-latest

.github/workflows/codeql.yml

@@ -8,6 +8,9 @@ on:
   schedule:
     - cron: '0 19 * * 0'
 
+permissions:
+  contents: read
+
 jobs:
   CodeQL-Build:
 

.github/workflows/publish.yaml

@@ -4,6 +4,9 @@ on:
   release:
     types: [created]
 
+permissions:
+  contents: read
+
 jobs:
   publish-npm:
     runs-on: ubuntu-latest