Build: Add suffix to templated BITDEPTH files

Fix #96
8 jobs for tmpl-files-rename in 2 minutes and 59 seconds (queued for 37 seconds)
Status Job ID Name Coverage
  Build
passed #5697
amd64 debian
build-debian

00:00:29

passed #5701
debian aarch64
build-debian-aarch64

00:01:33

passed #5702
debian clang5 aarch64
build-debian-aarch64-clang-5

00:01:11

passed #5698
amd64 debian
build-debian-static

00:00:29

passed #5704
debian aarch64
build-debian-werror

00:00:57

passed #5703
macos
build-macos

00:00:23

passed #5699
win32
build-win32

00:00:27

passed #5700
win64
build-win64

00:00:32