Use cached conversion tables

Tables are loaded from "<bdplus configuration dir>\convtab\<media key>*.bin".
4 jobs for doom9-bdplus in 1 minute and 15 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Build
passed build-debian #410377
amd64 debian

00:00:28

passed build-macos #410378
macos

00:00:57

passed build-win32 #410380
amd64 docker

00:01:13

passed build-win64 #410379
amd64 docker

00:01:15