subliminal 0.7.4 (new formula)

Useful Python subtitling library.
subliminal: add 0.7.4 bottle.

Closes #33147.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
ragel: fix links

Update homepage and download links to new location, change formatting
of make command, change single quotes to double.
ragel 6.9

Update to latest stable release, remove obsolete patch.
ragel: add test
ragel: add 6.9 bottle.

Closes #33130.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>