fix: forcenet use testing bundle

[simlecode]

关联的Issues (Related Issues)

close #5543

改动 (Proposed Changes)

• forcenet 使用testing bundle 以支持创建32G矿工
• 在搭建forcenet网络时需要指定网络名 ./lotus-seed genesis new --network-name=forcenet localnet.json，这样方便
  venus 根据网络名来加载testing bundle

附注 (Additional Info)

自查清单 (Checklist)

在你认为本 PR 满足被审阅的标准之前，需要确保 / Before you mark the PR ready for review, please make sure that:

• 符合Venus项目管理规范中关于PR的相关标准 / The PR follows the PR standards set out in the Venus project management guidelines
• 具有清晰明确的commit message / All commits have a clear commit message.
• 包含相关的的测试用例或者不需要新增测试用例 / This PR has tests for new functionality or change in behaviour or not need to add new tests.
• 存在兼容性问题（接口, 配置，数据，灰度），如果存在需要进行文档说明 / This PR has compatibility issues (API, Configuration, Data, GrayRelease), if so, need to be documented.
• 包含相关的的指南以及文档或者不需要新增文档 / This PR has updated usage guidelines and documentation or not need
• 通过必要的检查项 / All checks are green

[codecov-commenter]

Codecov Report

Merging #5545 (4190a50) into master (dfbc433) will decrease coverage by 0%.
The diff coverage is 66%.

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #5545   +/-   ##
======================================
- Coverage      25%     25%   -1%     
======================================
  Files         609     609           
  Lines       68591   68593    +2     
======================================
- Hits        17759   17749   -10     
- Misses      48568   48580   +12     
  Partials     2264    2264           

[diwufeiwen]

LGTM