Add least-privilege permissions to GitHub Actions workflows

.github/workflows/build.yml

@@ -7,10 +7,15 @@ on:
   pull_request:
     branches: [ "main" ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: windows-latest
-
+    permissions:
+      contents: write
+
     steps:
     - uses: actions/checkout@v4
 

.github/workflows/ci.yml

@@ -7,7 +7,10 @@ on:
   pull_request:
     # Run CI on PRs targeting dev
     branches: [dev]
-
+
+permissions:
+  contents: read
+
 jobs:
   build:
     name: Build on Windows

.github/workflows/codeql-analysis.yml

@@ -6,10 +6,17 @@ on:
   pull_request:
     branches: [dev, main]
 
+permissions:
+  contents: read
+
 jobs:
   analyze:
     name: Analyze
     runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
 
     steps:
       - name: Checkout repository

.github/workflows/dev-build.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ "dev" ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: windows-latest

.github/workflows/dotnet-desktop-build.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [dev, main]
 
+permissions:
+  contents: read
+
 jobs:
   build-debug:
     name: build (Debug)

.github/workflows/nightly-build.yml

@@ -5,6 +5,9 @@ on:
     # every day at midnight UTC
     - cron: '0 0 * * *'
 
+permissions:
+  contents: read
+
 jobs:
   nightly:
     name: Nightly Dev Build

.github/workflows/prod-build.yml

@@ -5,6 +5,9 @@ on:
     branches: [main]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   prod:
     name: Production Release Build

.github/workflows/release-drafter.yml

@@ -4,9 +4,15 @@ on:
   push:
     branches: [main]
 
+permissions:
+  contents: read
+
 jobs:
   update_release_draft:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: read
     steps:
       - uses: actions/checkout@v4
       - uses: release-drafter/release-drafter@v5