Update changelog.
Update changelog.

oddbird/nunjucks,mozilla/nunjucks,internalfx/nunjucks,kevinschaul/nunjucks,oddbird/nunjucks,devoidfury/nunjucks,internalfx/nunjucks,kevinschaul/nunjucks,kevinschaul/nunjucks,internalfx/nunjucks,oddbird/nunjucks,devoidfury/nunjucks,mozilla/nunjucks,devoidfury/nunjucks,internalfx/nunjucks,kevinschaul/nunjucks,oddbird/nunjucks,mozilla/nunjucks