Increase client_max_body_size for search
Increase client_max_body_size for search

Whitehall now indexes attachment content which can be tens or hundreds of MB,
so we need to override the default of 20MB.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet