Dotty

Bump webrick from 1.8.2 to 1.9.1 in /docs/_spec #33448

Job	Run time
test_non_bootstrapped	0s
test	53m 41s
test_scala2_library_tasty	0s
test_windows_fast	56m 45s
community_build_a	51m 22s
MiMa	11m 35s
test_windows_full	0s
community_build_b	1h 31m 9s
community_build_c	1h 0m 39s
test_sbt	19m 31s
test_java8	0s
build-msi-package	0s
build-sdk-package / build	7m 40s
test-msi-package	0s
build-chocolatey-package / build	18s
test-chocolatey-package	0s
publish_nightly	0s
publish_release	0s
nightly_documentation	0s
open_issue_on_failure	0s
	5h 52m 40s

Provide feedback