Stop using default GHA permissions

Author: mbarbin

.github/workflows/ci.yml

@@ -8,6 +8,9 @@ on:
     branches:
       - "**" # This will match pull requests targeting any branch
 
+permissions:
+  contents: read
+
 jobs:
   build:
     strategy:

.github/workflows/deploy-doc.yml

@@ -7,6 +7,9 @@ on:
     # Review gh actions docs if you want to further define triggers, paths, etc
     # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#on
 
+permissions:
+  contents: read
+
 jobs:
   build:
     name: Build Docusaurus

.github/workflows/more-ci.yml

@@ -19,6 +19,9 @@ on:
     branches:
       - "**" # This will match pull requests targeting any branch
 
+permissions:
+  contents: read
+
 jobs:
   build:
     strategy:

.github/workflows/test-deploy-doc.yml

@@ -7,6 +7,9 @@ on:
     # Review gh actions docs if you want to further define triggers, paths, etc
     # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#on
 
+permissions:
+  contents: read
+
 jobs:
   test-deploy:
     name: Test deployment