fix(ci): move publishDocs to runSteps

[yanavasileva]

to be part of the stage and overall build result

https://github.com/camunda/team-automation-platform/issues/138

[yanavasileva]

Test run for failing stage when maven build fails: https://ci-pipeline.cambpm.camunda.cloud/job/7.21/job/cambpm-ce/job/cambpm-daily/job/7.21/9 Test run for successful stage when all steps are successful: https://ci-pipeline.cambpm.camunda.cloud/job/7.21/job/cambpm-ce/job/cambpm-daily/job/7.21/10/

[ap-development-workflow[bot]]

Successfully created backport PR for 7.20:

• camunda/camunda-bpm-platform-maintenance#1212

[ap-development-workflow[bot]]

Backport failed for 7.19, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin 7.19
git worktree add -d .worktree/7.19-backport-4341 origin/7.19
cd .worktree/7.19-backport-4341
git switch --create 7.19-backport-4341
git cherry-pick -x 51c45a5b94ea27759bc48a6aed03279a96f4a751

[ap-development-workflow[bot]]

Successfully created backport PR for 7.21:

• camunda/camunda-bpm-platform-maintenance#1213