feat: add devlake-config update method

[warren830]

Signed-off-by: Yingchu Chen [email protected]

Pre-Checklist

Note: please complete ALL items in the following checklist.

• [X] I have read through the CONTRIBUTING.md documentation.
• [X] My code has the necessary comments and documentation (if needed).
• [X] I have added relevant tests

Description

1. modified the definition of Connection and comment RenderAuthConfig
2. add devlake-config UpdateConfig

as we can see, when we changed the config, devlake processed requests from stream as expected

[daniel-hutao]

@warren830 Please take a look at this pr: #1181

I refactored the State/Resource in that pr.