ci: restrict default GITHUB_TOKEN permissions to contents: read

None of these workflows write through GITHUB_TOKEN: artifact upload,
Firebase, S3, Play Store, gh-pages and the Appium dispatch all use their
own credentials. Reusable workflows they call inherit the same cap.

.github/workflows/appium-mobile-tests.yml

@@ -34,6 +34,9 @@ env:
   ALLURE_ENDPOINT: https://pezkuwi.testops.cloud/
   ALLURE_PROJECT_ID: 103
 
+permissions:
+  contents: read
+
 jobs:
   trigger-tests:
     runs-on: ubuntu-latest

.github/workflows/balances_test.yml

@@ -6,6 +6,9 @@ on:
   schedule:
     - cron: '0 */8 * * *'
 
+permissions:
+  contents: read
+
 jobs:
   build-app:
     uses: pezkuwichain/pezkuwi-wallet-android/.github/workflows/android_build.yml@main

.github/workflows/code-quality.yml

@@ -29,6 +29,9 @@ env:
   DEBUG_GOOGLE_OAUTH_ID: ${{ secrets.DEBUG_GOOGLE_OAUTH_ID }}
   RELEASE_GOOGLE_OAUTH_ID: ${{ secrets.RELEASE_GOOGLE_OAUTH_ID }}
 
+permissions:
+  contents: read
+
 jobs:
   ktlint:
     name: Kotlin Lint

.github/workflows/distribute_app_to_play_store.yml

@@ -35,6 +35,9 @@ on:
         default: '0.2'
         type: string
 
+permissions:
+  contents: read
+
 jobs:
   build:
     uses: pezkuwichain/pezkuwi-wallet-android/.github/workflows/android_build.yml@main

.github/workflows/manual_firebase_distribution.yml

@@ -20,6 +20,9 @@ on:
         required: true
         default: main
 
+permissions:
+  contents: read
+
 jobs:
   build:
     uses: pezkuwichain/pezkuwi-wallet-android/.github/workflows/android_build.yml@main

.github/workflows/pull_request.yml

@@ -11,6 +11,9 @@ on:
         type: string
 
 
+permissions:
+  contents: read
+
 jobs:
   test:
     uses: pezkuwichain/pezkuwi-wallet-android/.github/workflows/android_build.yml@main

.github/workflows/push_develop.yml

@@ -5,6 +5,9 @@ on:
     branches: [main]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   build:
     uses: pezkuwichain/pezkuwi-wallet-android/.github/workflows/android_build.yml@main