Bump sapper from 0.27.12 to 0.27.16

[dependabot-preview]

Bumps sapper from 0.27.12 to 0.27.16.

Changelog

Sourced from sapper's changelog.

0.27.16

• Handle errors thrown from session seeding function (#1273)

0.27.15

• Allow session handler to return a Promise (#740)

0.27.14

• Prevent client-side app from re-rendering over a server-generated error (#710)
• Better handle I/O backpressure when exporting sites (#851, #893)
• In SSR, include Authorization header when including cookies (#880)
• In SSR, default to credentials: 'same-origin' (#881)
• Do not restart dev server while it is already restarting (#920)
• Avoid console error in dev mode when reloading page (#981)
• Correctly handle src or dest being the current directory (#1069)
• Log details of Rollup errors instead of swallowing them (#1221, #1234)
• Avoid corrupting binary files during build (#1245)

0.27.13

• Fix multiple slugs in a single URL segment (#547)
• Fix erroneously notifying a component's $page subscribers of the upcoming URL upon leaving a route (#633)
• Maintain scroll location when refreshing page (#784)
• Support detecting bundler by *.config.ts files (#1005)
• When exporting, create regular files instead of directories for page routes ending in .html (#1043)
• Preserve timestamps when copying files during export (#1110)
• Fix issue with scrolling to deeplinks (#1139)

Commits

• 9f8e410 -> v0.27.16
• 7e5ffc3 bail when session getter returns an error (#1274)
• 857a3e7 -> v0.27.15
• 86861bb Support async method in session middleware option (#743)
• 770d5c7 fix changelog
• 575579a -> v0.27.14
• 3a2db21 Bump acorn from 6.1.1 to 6.4.1 (#1119)
• 4a557f9 Bump minimist from 1.2.0 to 1.2.5 in /site (#1126)
• ff6c0d7 Bump https-proxy-agent from 2.2.2 to 2.2.4 (#1159)
• 60b3ec6 Bump acorn from 7.0.0 to 7.2.0 in /site (#1189)
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #85.