fix(ci): Gemini CLI trusted folder 검증 우회 환경 변수 추가

- GitHub Actions 임시 디렉토리가 신뢰되지 않아 --yolo 모드가 default로 강등되며 exit 55 발생
- job 레벨에 GEMINI_CLI_TRUST_WORKSPACE=true 추가하여 daily-content / weekly-plan / test-gemini 워크플로우 정상 동작 복구

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: jgjgill

.github/workflows/daily-content.yaml

@@ -26,6 +26,8 @@ on:
 jobs:
   generate-content:
     runs-on: ubuntu-latest
+    env:
+      GEMINI_CLI_TRUST_WORKSPACE: 'true'
 
     steps:
       - name: Checkout repository

.github/workflows/test-gemini.yaml

@@ -6,6 +6,8 @@ on:
 jobs:
   test-gemini:
     runs-on: ubuntu-latest
+    env:
+      GEMINI_CLI_TRUST_WORKSPACE: 'true'
 
     steps:
       - name: Setup Node.js

.github/workflows/weekly-plan.yaml

@@ -8,6 +8,8 @@ on:
 jobs:
   plan-week:
     runs-on: ubuntu-latest
+    env:
+      GEMINI_CLI_TRUST_WORKSPACE: 'true'
 
     steps:
       - name: Checkout repository