ci: declare workflow-level contents: read on 6 workflows

.github/workflows/build-documentation.yml

@@ -12,6 +12,9 @@ on:
       - synchronize
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   build-documentation:
     name: Build and deploy cFS documents

.github/workflows/build-run-app.yml

@@ -15,6 +15,9 @@ on:
     # 9:35 PM UTC every Sunday
     - cron:  '35 21 * * 0'
 
+permissions:
+  contents: read
+
 jobs:
   build-run:
     name: Build and run with startup msg verification

.github/workflows/format-check.yml

@@ -13,6 +13,9 @@ on:
       - synchronize
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   format-check:
     name: Run format check

.github/workflows/mcdc.yml

@@ -12,6 +12,9 @@ on:
       - synchronize
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   mcdc:
     name: Run MCDC Analysis

.github/workflows/static-analysis.yml

@@ -12,6 +12,9 @@ on:
       - synchronize
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   static-analysis:
     name: Static Analysis

.github/workflows/unit-test-coverage.yml

@@ -15,6 +15,9 @@ on:
     # 9:25 PM UTC every Sunday
     - cron:  '25 21 * * 0'
 
+permissions:
+  contents: read
+
 jobs:
   unit-test-coverage:
     name: Run unit test and coverage