Add missing `type` to `create_issue`

[inpreman]

Description

Currently, create_issue tool does not support type parameter. It is a valid parameter to set when creating a new issue.

REST API for create_issue: https://docs.github.com/en/rest/issues/issues?apiVersion=2022-11-28#create-an-issue

[juruen]

We'll probably wait until the underlying library adds support for it: https://github.com/google/go-github/blob/master/github/issues.go#L83

[LuluBeatson]

Update: go-github now supports Type in IssueRequest (google/go-github#3567)

[github-actions]

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[github-actions]

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