test

[DOC] Fix examples in accept_charset and http_header docs #363

Job	Run time
ruby-versions / Generate Ruby versions	3s
build (2.5 / windows-latest)	1m 34s
build (2.6 / windows-latest)	1m 40s
build (2.7 / windows-latest)	1m 34s
build (2.7 / ubuntu-latest)	23s
build (3.0 / ubuntu-latest)	7s
build (2.7 / macos-latest)	33s
build (2.5 / ubuntu-latest)	22s
build (2.6 / macos-latest)	41s
build (3.1 / ubuntu-latest)	10s
build (3.0 / macos-latest)	14s
build (3.4 / ubuntu-latest)	15s
build (2.6 / ubuntu-latest)	25s
build (3.3 / windows-latest)	58s
build (3.0 / windows-latest)	1m 2s
build (3.1 / windows-latest)	1m 2s
build (3.4 / macos-latest)	14s
build (3.3 / macos-latest)	15s
build (3.1 / macos-latest)	13s
build (3.4 / windows-latest)	1m 10s
build (3.2 / windows-latest)	1m 21s
build (4.0 / macos-latest)	11s
build (3.3 / ubuntu-latest)	14s
build (4.0 / ubuntu-latest)	11s
build (head / ubuntu-latest)	8s
build (4.0 / windows-latest)	50s
build (3.2 / macos-latest)	12s
build (jruby / ubuntu-latest)	52s
build (head / macos-latest)	14s
build (mingw / windows-latest)	51s
build (truffleruby / ubuntu-latest)	22s
build (mswin / windows-latest)	56s
build (truffleruby / macos-latest)	19s
build (jruby-head / ubuntu-latest)	51s
build (3.2 / ubuntu-latest)	14s
	20m 41s

Provide feedback