bug/1627 run publish journey action sequentially for multi-step journeys to fix race condition for sf-journeys

[JoernBerkefeld]

PR details

What changes did you make? (Give an overview)

• closes [BUG] publishing multiple SF-triggered journeys in parallel causes error  #1627

Further details (optional)

...

Checklist

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• test scripts updated
• Wiki updated (if applicable)

[github-actions]

Coverage Report

Commit:d802d95
Base: develop@5e97ce7

Type	Base	This PR
Total Statements Coverage	70.15%	70.1%  (-0.05%)
Total Branches Coverage	68.93%	68.84%  (-0.09%)
Total Functions Coverage	82.21%	82.21%  (+0%)
Total Lines Coverage	70.15%	70.1%  (-0.05%)

Details (changed files):

File	Statements	Branches	Functions	Lines
lib/metadataTypes/Journey.js	59.6%	61.37%	78.94%	59.6%