[Typing-sig] Opened and changed typing issues week 2023-W31

The following is an overview of all issues and pull requests in the typing repository on GitHub with the label 'topic: feature' that were opened or updated last week, excluding closed issues. --------------------------------------------------- The following issues and pull requests were updated last week: #1043 TypingError: type checker will emit error with a message specified in typing stubs opened by @Akuli https://github.com/python/typing/issues/1043 --------------------------------------------------- All issues and pull requests with the label 'topic: feature' can be viewed under the following URL: https://github.com/python/typing/issues?q=label%3A%22topic%3A+feature%22