Add explicit permissions to CI and release workflows

Author: arpitjain099

.github/workflows/ci-build.yaml

@@ -35,6 +35,9 @@ on:
       - 'KEYS'
       - 'LICENSE.txt'
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true

.github/workflows/github-release.yml

@@ -23,6 +23,9 @@ on:
     tags:
       - '[0-9]+.[0-9]+.[0-9]+'
 
+permissions:
+  contents: write
+
 jobs:
   release:
     runs-on: ubuntu-latest

.github/workflows/receive-pr.yml

@@ -10,6 +10,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true