Build-your-own post-function: support longer templates

Description

The Build-your-own post-function currently limits the length of the Nunjucks template (script). We should extend that limit using the same mechanism as for the Email Issue and Create Issues post-functions.

Environment

None

Customer Info

None
Fixed

Assignee

Unassigned

Reporter

David Fischer [Innovalog]

Labels

None

Internal Complexity

Unknown

Internal Value

Unknown

Requires documentation

None

Impact

None

Fix versions

Priority

Major
Configure