KOGITO-9671 CI: Remove bot account usage

[radtriste]

https://issues.redhat.com/browse/KOGITO-9671

Related PRs:

• https://github.com/kiegroup/kogito-pipelines/pull/1022
• https://github.com/kiegroup/drools/pull/5434
• https://github.com/kiegroup/kogito-runtimes/pull/3159
• https://github.com/kiegroup/kogito-apps/pull/1818
• https://github.com/kiegroup/kogito-examples/pull/1756
• https://github.com/kiegroup/kogito-images/pull/1662
• https://github.com/kiegroup/kogito-operator/pull/1503
• https://github.com/kiegroup/kogito-serverless-operator/pull/213
• https://github.com/kiegroup/optaplanner/pull/2921