Gemfile.jj2: Apply patch from jinja2
Gemfile.jj2: Apply patch from jinja2

Coala fails to ignore file on appveyor.
Therefore applying this patch.

Closes https://github.com/coala/coala-bears/issues/2619

refeed/coala-bears,coala-analyzer/coala-bears,coala/coala-bears,refeed/coala-bears,refeed/coala-bears,coala/coala-bears,coala/coala-bears,refeed/coala-bears,coala-analyzer/coala-bears,refeed/coala-bears,coala/coala-bears,coala-analyzer/coala-bears,coala/coala-bears,refeed/coala-bears,refeed/coala-bears,coala-analyzer/coala-bears,coala/coala-bears,coala/coala-bears,refeed/coala-bears,refeed/coala-bears,coala-analyzer/coala-bears,coala-analyzer/coala-bears,coala/coala-bears,coala-analyzer/coala-bears,coala-analyzer/coala-bears,coala-analyzer/coala-bears,coala/coala-bears,coala/coala-bears,coala/coala-bears,coala/coala-bears,refeed/coala-bears,refeed/coala-bears