Update sinatra requirement from ~> 2 to ~> 3

[dependabot[bot]]

Updates the requirements on sinatra to permit the latest version.

Changelog

Sourced from sinatra's changelog.

3.0.5 / 2022-12-16

• Fix: Add Zeitwerk compatibility. #1831 by Dawid Janczak

• Fix: Allow CALLERS_TO_IGNORE to be overridden

3.0.4 / 2022-11-25

• Fix: Escape filename in the Content-Disposition header. #1841 by Kunpei Sakai

3.0.3 / 2022-11-11

• Fix: fixed ReDoS for Rack::Protection::IPSpoofing. #1823 by @​ooooooo-q

3.0.2 / 2022-10-01

• New: Add Haml 6 support. #1820 by Jordan Owens

3.0.1 / 2022-09-26

• Fix: Revert removal of rack-protection.rb. #1814 by Olle Jonsson

• Fix: Revert change to server start and stop messaging by using Kernel#warn. Renamed internal warn method warn_for_deprecation. #1818 by Jordan Owens

3.0.0 / 2022-09-26

• New: Add Falcon support. #1794 by Samuel Williams and @​horaciob

• New: Add AES GCM encryption support for session cookies. #1324 (sinatra/sinatra#1324) by Michael Coyne

• Deprecated: Sinatra Reloader will be removed in the next major release.

• Fix: Internal Sinatra errors now extend Sinatra::Error. This fixes #1204 and #1518. bda8c29d by Jordan Owens

• Fix: Preserve query param value if named route param nil. #1676 by Jordan Owens

• Require Ruby 2.6 as minimum Ruby version. #1699 by Eloy Pérez

• Breaking change: Remove support for the Stylus template engine. #1697 by Eloy Pérez

• Breaking change: Remove support for the erubis template engine. #1761 by Eloy Pérez

• Breaking change: Remove support for the textile template engine. #1766 by Eloy Pérez

• Breaking change: Remove support for SASS as a template engine. #1768 by Eloy Pérez

• Breaking change: Remove support for Wlang as a template engine. #1780 by Eloy Pérez

• Breaking change: Remove support for CoffeeScript as a template engine. #1790 by Eloy Pérez

... (truncated)

Commits

• 186106d 3.0.5 release
• 0b2c3a7 Allow CALLERS_TO_IGNORE to be overridden
• d3357cb Merge pull request #1843 from sashashura/patch-1
• e633936 Add Zeitwerk to CALLERS_TO_IGNORE (#1831)
• 8996f09 Merge pull request #1845 from dentarg/install-libyaml-dev
• 5e1e9c0 Install libyaml-dev in CI
• 20cd090 build: harden test.yml permissions
• 4162502 Merge pull request #1842 from mharris-figma/master
• 39ed78f fix Tilt.register argument order in readme
• d645a2f Update changelog
• Additional commits viewable in compare view

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