📚 Documentation: Broken link to 'Code of Conduct'

### 💭 Description

"_Create new issue_" GitHub template contains a broken link to the CODE_OF_CONDUCT.md file.

#### Suggested Fix:

Update the link in from:
`https://github.com/appwrite/**appwrite**/blob/main/CODE_OF_CONDUCT.md`
to:
`https://github.com/appwrite/**runtimes**/blob/main/CODE_OF_CONDUCT.md`

### 👀 Have you spent some time to check if this issue has been raised before?

- [x] I checked and didn't find similar issue

### 🏢 Have you read the Code of Conduct?

- [x] I read the Code of Conduct

Find the repository's "Create new issue" GitHub template and inspect its Code of Conduct link. Update it to point to the runtimes repository's CODE_OF_CONDUCT.md, then verify that the link resolves correctly.

Written by the indexing model from the issue text.