Update GitlabAPI.java (timols#303)

issue.getId triggers a 404, Gitlab experts a Iid

[maven-release-plugin] copy for tag 4.0.0

[maven-release-plugin] copy for tag 1.2.8

[maven-release-plugin] copy for tag 1.2.7

[maven-release-plugin] copy for tag 1.2.6

[maven-release-plugin] copy for tag 1.2.5

[maven-release-plugin] copy for tag 1.2.4

[maven-release-plugin] copy for tag 1.2.3

[maven-release-plugin] copy for tag 1.2.0

[maven-release-plugin] copy for tag 1.1.11