chore: define workflow permissions

.github/workflows/pre-commit-shared.yml

@@ -3,6 +3,9 @@ name: pre-commit check
 on:
   workflow_call:
 
+permissions:
+  contents: read
+
 jobs:
   pre-commit:
     runs-on: ubuntu-latest

.github/workflows/pre-commit.yml

@@ -4,6 +4,9 @@ on:
   push:
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   pre-commit:
     uses: ./.github/workflows/pre-commit-shared.yml

.github/workflows/release.yml

@@ -4,6 +4,9 @@ on:
   push:
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   release:
     runs-on: ubuntu-latest

.github/workflows/test.yml

@@ -2,6 +2,9 @@ name: Tests
 
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   types:
     runs-on: ubuntu-24.04