Add permissions to workflows

Author: chrmarti

.github/workflows/dev-containers.yml

@@ -8,6 +8,9 @@ on:
     branches:
       - '**'
 
+permissions:
+  contents: read
+
 jobs:
   cli:
     name: CLI

.github/workflows/publish-dev-containers.yml

@@ -5,6 +5,10 @@ on:
     tags:
       - 'v*'
 
+permissions:
+  contents: read
+  actions: read
+
 jobs:
   main:
     runs-on: ubuntu-latest

.github/workflows/test-docker-v20.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: ['main']
 
+permissions:
+  contents: read
+
 jobs:
   test-docker-v20:
     name: Docker v20.10 Compatibility

.github/workflows/test-docker-v29.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: ['main']
 
+permissions:
+  contents: read
+
 jobs:
   test-docker-v29:
     name: Docker v29.0.0 Compatibility

.github/workflows/test-plan-item-validator.yml

@@ -3,6 +3,10 @@ on:
   issues:
     types: [edited]
 
+permissions:
+  contents: read
+  issues: write
+
 jobs:
   main:
     runs-on: ubuntu-latest

.github/workflows/test-windows.yml

@@ -11,6 +11,10 @@ on:
   pull_request:
     branches:
       - '**'
+
+permissions:
+  contents: read
+
 jobs:
  tests-matrix:
     name: Tests Matrix (Windows)