chore: Set permissions for GitHub actions

.github/workflows/changelog.yml

@@ -4,6 +4,9 @@ on:
   pull_request:
     types: [opened, synchronize, labeled, unlabeled, reopened]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     name: Changelog Entry Check

.github/workflows/doc.yml

@@ -2,6 +2,9 @@ name: Documentation Build
 
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     # We want to run on external PRs, but not on our own internal PRs as they'll be run

.github/workflows/docker.yml

@@ -7,6 +7,9 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: read
+
 jobs:
   docker:
     if: github.repository == 'psf/black'

.github/workflows/fuzz.yml

@@ -2,6 +2,9 @@ name: Fuzz
 
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     # We want to run on external PRs, but not on our own internal PRs as they'll be run

.github/workflows/pypi_upload.yml

@@ -4,6 +4,9 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     name: PyPI Upload

.github/workflows/upload_binary.yml

@@ -4,8 +4,13 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: read
+
 jobs:
   build:
+    permissions:
+      contents: write  # for actions/upload-release-asset to upload release asset
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false

.github/workflows/uvloop_test.yml

@@ -11,6 +11,9 @@ on:
       - "docs/**"
       - "*.md"
 
+permissions:
+  contents: read
+
 jobs:
   build:
     # We want to run on external PRs, but not on our own internal PRs as they'll be run