testing/termite: use system vte3 with vte-ng patches

Status Job ID Name Coverage
  Lint
passed #44562
x86_64 docker-alpine
lint

00:00:32

 
  Build
passed #44567
aarch64 ci-build docker-alpine
build-aarch64

00:03:55

passed #44568
armv7 ci-build docker-alpine
build-armv7

00:04:20

passed #44566
ppc64le ci-build docker-alpine
build-ppc64le

00:07:43

passed #44565
s390x ci-build docker-alpine
build-s390x

00:01:34

passed #44564
x86 ci-build docker-alpine
build-x86

00:02:46

passed #44563
x86_64 ci-build docker-alpine
build-x86_64

00:02:27