main/conky: enable cairo lua bindings

Fixes #12004
7 jobs for !13608 with conky-enable-cairo in 3 minutes and 8 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
passed #228280
docker-alpine x86_64
lint

00:00:24

 
  Build
passed #228285
docker-alpine ci-build aarch64
build-aarch64

00:01:17

passed #228286
docker-alpine ci-build armv7
build-armv7

00:02:43

passed #228284
docker-alpine ci-build ppc64le
build-ppc64le

00:01:45

passed #228283
docker-alpine ci-build s390x
build-s390x

00:00:44

passed #228282
docker-alpine ci-build x86
build-x86

00:00:38

passed #228281
docker-alpine ci-build x86_64
build-x86_64

00:00:39