Bump vs-preprocessor to 2.1.5

enabled an automatic merge when the pipeline for bbd6a712 succeeds

aborted the automatic merge because source branch was updated

added 3 commits

• bbd6a712...68897358 - 2 commits from branch main
• 3315bbf0 - Merge branch 'main' into 'auto-update-vs-preprocessor-2.1.5'

Compare with previous version

enabled an automatic merge when the pipeline for 3315bbf0 succeeds

canceled the automatic merge

mentioned in commit 5ecc00f2

merged