feat: allow to set different type of comment if changeset is missing

[utix]

Add a parameter (GITLAB_COMMENT_TYPE_IF_MISSING) to set a specific type of comment when changeset is missing.

Closes: #190

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: e5087a3b7acdc3bad329beace30f9884621977f7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ----------------- | ----- | | changesets-gitlab | Minor |

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