chore(ci): 升级公共 workflow 模板版本到 1.2

将 CI 与 Deploy 对可复用 prepare workflow 的引用统一从 1.1 升级到 1.2，确保两条流水线使用同一版模板能力。

Made-with: Cursor

.gitea/workflows/ci.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   ci:
-    uses: platform/workflow/.gitea/workflows/reusable-prepare-workspace.yml@1.1
+    uses: platform/workflow/.gitea/workflows/reusable-prepare-workspace.yml@1.2
     with:
       repo_url: "${{ github.server_url }}/${{ github.repository }}.git"
       git_sha: "${{ github.sha }}"

.gitea/workflows/deploy.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   deploy:
     if: ${{ github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/v') }}
-    uses: platform/workflow/.gitea/workflows/reusable-prepare-workspace.yml@1.1
+    uses: platform/workflow/.gitea/workflows/reusable-prepare-workspace.yml@1.2
     secrets: inherit
     with:
       repo_url: "${{ github.server_url }}/${{ github.repository }}.git"