[ALL-GENS] Utility - add open and close brace placeholders to additionalProperties for all mustache templates in all code gens#23259

wing328 merged 2 commits intoOpenAPITools:masterOpenAPITools/openapi-generator:masterfrom

Picazsoo:feature/make-curly-braces-available-in-all-templatesPicazsoo/openapi-generator:feature/make-curly-braces-available-in-all-templatesCopy head branch name to clipboard