KOGITO-5585 Add skip-ci label on created PRs

[radtriste]

Many thanks for submitting your Pull Request :heart:!

Please make sure that your PR meets the following requirements:

WARNING! Please make sure you are opening your PR against master branch!

• [ ] You have read the contributors guide
• [ ] Pull Request title is properly formatted: KOGITO-XYZ Subject
• [ ] Pull Request title contains the target branch if not targeting master: [0.9.x] KOGITO-XYZ Subject
• [ ] Pull Request contains link to the JIRA issue
• [ ] Pull Request contains link to any dependent or related Pull Request
• [ ] Pull Request contains description of the issue
• [ ] Pull Request does not include fixes for issues other than the main ticket

How to retest this PR or trigger a specific build:

• Pull Request
  Please add comment: Jenkins retest this

• Quarkus LTS checks
  Please add comment: Jenkins run LTS

• Native checks
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[kie-ci]

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