Bump webrick from 1.7.0 to 1.8.1

Bumps webrick from 1.7.0 to 1.8.1.

Release notes

Sourced from webrick's releases.

v1.8.1

What's Changed

• Body should be non-frozen by default. by @​ioquatix in ruby/webrick#103
• Join test thread. by @​ioquatix in ruby/webrick#104
• Fix several regexp warnings. by @​ioquatix in ruby/webrick#105

Full Changelog: https://github.com/ruby/webrick/compare/v1.8.0...v1.8.1

v1.8.0

What's Changed

• Use frozen strings by @​kirs in ruby/webrick#65
• Use test-unit by @​hsbt in ruby/webrick#66
• More rubies on CI, deprecating ruby 2.3 due to test failure by @​mathieujobin in ruby/webrick#68
• Adds common mime types by @​gotoken in ruby/webrick#75
• add mime type for .webmanifest extension by @​olleolleolle in ruby/webrick#76
• CI: use bundler-cache: true by @​olleolleolle in ruby/webrick#79
• Typo by @​printfinn in ruby/webrick#78
• s/RubyVM::JIT/RubyVM::MJIT/g by @​k0kubun in ruby/webrick#82
• Fix invalid use of IP addresses in SNI by @​jeremyevans in ruby/webrick#83
• Bump actions/checkout from 2 to 3 by @​dependabot in ruby/webrick#91
• remove unneeded bin/console and bin/setup files from gemspec by @​Benjamin-L in ruby/webrick#94
• Accept put requests by @​bharjr01 in ruby/webrick#70
• Move the host request parsing to a separate method. by @​wishdev in ruby/webrick#85
• Only output prime information to $stderr if $VERBOSE by @​jeremyevans in ruby/webrick#88
• Better support for connection upgrade and bi-directional streaming. by @​ioquatix in ruby/webrick#101

New Contributors

• @​kirs made their first contribution in ruby/webrick#65
• @​mathieujobin made their first contribution in ruby/webrick#68
• @​gotoken made their first contribution in ruby/webrick#75
• @​printfinn made their first contribution in ruby/webrick#78
• @​k0kubun made their first contribution in ruby/webrick#82
• @​dependabot made their first contribution in ruby/webrick#91
• @​Benjamin-L made their first contribution in ruby/webrick#94
• @​bharjr01 made their first contribution in ruby/webrick#70
• @​ioquatix made their first contribution in ruby/webrick#101

Full Changelog: https://github.com/ruby/webrick/compare/v1.7.0...v1.8.0

Commits

• 158a7ef Bump up 1.8.1
• 8fd3ef1 Fix several regexp warnings. (#105)
• c566eb7 Join test thread. (#104)
• af5d2f5 Body should be non-frozen by default. (#103)
• 9501735 Fix warning about missing content type.
• 841b7da Bump up 1.8.0
• 1c9d2f4 Better support for connection upgrade and bi-directional streaming. (#101)
• 6cb9bf6 Only output prime information to $stderr if $VERBOSE (#88)
• e457003 Move the host request parsing to a separate method. (#85)
• d42c291 Accept put requests (#70)
• Additional commits viewable in compare view