Bump ring:ring from 1.8.1 to 1.9.1 in /dummy

[github-actions[bot]]

Bumps ring:ring from 1.8.1 to 1.9.1.

Changelog

Sourced from ring:ring's changelog.

1.9.1 (2021-02-17)

• Updated Ring-Codec dependency to 1.1.3
• Updated Jetty to 9.4.36.v20210114

1.9.0 (2021-02-03)

• Fixed automatic closing of response stream on exception (#420)
• Changed woff media type to font/woff & added woff2 media type (#421)
• Changed TTF media type to font/ttf (#426)
• Improved formatting in ring.middleware.stacktrace (#391)
• Improved performance of async responses (#428)
• Added :exclude-ciphers option to Jetty adapter (#405)
• Added :exclude-protocols option to Jetty adapter (#405)
• Added :ssl-context option to Jetty adapter (#412)
• Added :async-timeout-handler option to Jetty adapter (#410)
• Added :keystore-scan-interval option to Jetty adapter (#417)

1.8.2 (2020-10-06)

• Updated Jetty to 9.4.31.v20200723 (#411)

Commits

• eb73b9d Release 1.9.1
• 71f022d Update Jetty dependency to 9.4.36.v20210114
• eb09ff1 Update Clojure 1.10 dependency to 1.10.2
• 4998baa Update Ring-Codec dependency to 1.1.3
• 2ba9779 Update Codox to 0.10.7
• 1ee170e Release 1.9.0
• 2bbefc0 Update copyright year in README
• 34bcc55 Merge pull request #428 from alexanderkiel/async-response-perf-fix
• ae72f28 Fix performance issue with async responses
• ebce6f5 Merge pull request #426 from nivekuil/master
• Additional commits viewable in compare view