[#22] Update Golang to 1.18.

[GH-20] Get changelog.

[GH-15] Resolve multiline issue in description.

[GH-14] Return ticketNumber once a ticket has been created.

[GH-6] Fixed transitionID was used for closing a ticket while this co…

…uld deviate.

[GH-10] Create a ticket with certain labels.

[GH-11] Create a ticket with a certain priority.

[GH-5] Add a comment or get all ticket comments.

Merge pull request #9 from 030/1-create-issue

[GH-1] Create a Jira issue.

Merge pull request #7 from 030/4-close-issue

[GH-4] Close a Jira issue.