osslsigncode 1.5.2

version 1.4's download location has changed so
this formula is currently broken. Updated to latest
version.

Closes #19947.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
opencc 0.4.3

Closes #19937.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Dart 22879

Closes #19963.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
ip_relay 0.71

Closes #19716.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Redact scalpel.

Download is 404, site is parked.

Closes #19572.