Release 0.2.13

What's Changed

• feat(tool): support run_code builtin tool by @yaozheng-fang in #246
• add some envs for tools and memory by @yaozheng-fang in #247
• fix(memory): fix env name of viking db memory type by @yaozheng-fang in #249
• feat(auth): support auto viking knowledgebase auth by @yaozheng-fang in #248
• release 0.2.13 by @yaozheng-fang in #250

Full Changelog: 0.2.12...0.2.13