Automatic merge from submit-queue

README.md: Update outdated links

**What this PR does / why we need it**:
the PR aims to update some links.
Some links with "#" would not redirect to right point of pages.
Other links without "#" can work, but they are outdated. I change them by the way.

**Special notes for your reviewer**:

**Release note**:

```release-note
```
none