Add permissions to yml files

Author: afarber

.github/workflows/_build-examples.yml

@@ -3,6 +3,9 @@ name: Build Examples
 on:
   workflow_call:
 
+permissions:
+  contents: read
+
 jobs:
   build-examples:
     name: Build Example Apps

.github/workflows/_build-library.yml

@@ -3,6 +3,9 @@ name: Build Library
 on:
   workflow_call:
 
+permissions:
+  contents: read
+
 jobs:
   build-library:
     name: Build OpenMapView AAR

.github/workflows/_format.yml

@@ -3,6 +3,9 @@ name: Format Check
 on:
   workflow_call:
 
+permissions:
+  contents: read
+
 jobs:
   format:
     name: Check Code Formatting

.github/workflows/_test.yml

@@ -3,6 +3,9 @@ name: Unit Tests
 on:
   workflow_call:
 
+permissions:
+  contents: read
+
 jobs:
   test:
     name: Run Unit Tests

.github/workflows/ci.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ main, master ]
 
+permissions:
+  contents: read
+
 jobs:
   format:
     name: Check Formatting

.github/workflows/daily.yml

@@ -6,6 +6,9 @@ on:
     - cron: '45 9 * * *'
   workflow_dispatch:  # Allow manual triggering
 
+permissions:
+  contents: read
+
 jobs:
   instrumented-test:
     name: Run Instrumentation Tests

.github/workflows/release.yml

@@ -5,6 +5,9 @@ on:
     tags:
       - "v*.*.*"
 
+permissions:
+  contents: write  # Needed to create GitHub releases
+
 jobs:
   format:
     name: Check Formatting