ci: add permissions for contents: read to ci and release workflows

Author: kutsan

.github/workflows/ci.yaml

@@ -9,6 +9,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   commitlint:
     name: commitlint

.github/workflows/release.yaml

@@ -8,6 +8,9 @@ on:
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
 
+permissions:
+  contents: read
+
 jobs:
   checks:
     uses: ./.github/workflows/_checks.yaml