chore: bump to 0.18.1-SNAPSHOT and fix spring example escaping#1237

AnjBB72 wants to merge 3 commits intomainBackbase/backbase-openapi-tools:mainfrom

chore/0.18.1-snapshot-exampleobject-fixBackbase/backbase-openapi-tools:chore/0.18.1-snapshot-exampleobject-fixCopy head branch name to clipboard