chore(ci): disable docker gha trigger stage

* Disable Docker GHA trigger stage due to GitHub API issues.
* Add a timeout option as an optimization so there are no infinite retried by the GHA invocation script.

Related to CAMTEAM-235, closes camunda#1875

.ci/daily/Jenkinsfile

@@ -88,7 +88,9 @@ pipeline {
         }
         stage('Trigger Docker CE GHA') {
           when {
-            branch cambpmDefaultBranch();
+            // temporarily disable stage due to GitHub API issues
+            expression { false }
+//            branch cambpmDefaultBranch();
           }
           agent {
             kubernetes {
@@ -100,6 +102,9 @@ pipeline {
               ])
             }
           }
+          options {
+            timeout(time: 15, unit: 'MINUTES')
+          }
           environment {
             // define helper script input arguments
             INPUT_OWNER = 'camunda'