fix(ci): 使用 .nvmrc 和 packageManager 配置版本

- Node.js 版本从 .nvmrc 读取
- pnpm 版本从 package.json 的 packageManager 字段读取
- 移除硬编码的版本号

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitea/workflows/ci.yaml

@@ -5,10 +5,6 @@ on:
     branches:
       - main
 
-env:
-  PNPM_VERSION: 9
-  NODE_VERSION: 20
-
 jobs:
   build:
     name: Build Check
@@ -19,13 +15,11 @@ jobs:
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: ${{ env.PNPM_VERSION }}
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ env.NODE_VERSION }}
+          node-version-file: '.nvmrc'
 
       - name: Get pnpm store directory
         id: pnpm-cache

.gitea/workflows/deploy.yaml

@@ -6,8 +6,6 @@ on:
       - main
 
 env:
-  PNPM_VERSION: 9
-  NODE_VERSION: 20
   REGISTRY: gitea.tegical.world
   IMAGE_PREFIX: tegical/seclusion