testing/blender: increase stack size for cycles threads

10 jobs for !14817 with blender_stack_limit in 4 minutes and 1 second (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
passed #251532
x86_64 docker-alpine
lint

00:00:25

 
  Build
passed #251537
aarch64 ci-build docker-alpine
build-aarch64

00:00:33

passed #251538
armv7 ci-build docker-alpine
build-armv7

00:00:42

passed #251536
ppc64le ci-build docker-alpine
build-ppc64le

00:00:47

passed #251535
s390x ci-build docker-alpine
build-s390x

00:00:43

passed #251959
x86 ci-build docker-alpine
build-x86

00:00:25

failed #251539
docker-alpine ci-build x86_64
build-x86_64

00:02:20

failed #251540
docker-alpine ci-build x86
build-x86

00:00:19

failed #251534
x86 ci-build docker-alpine
build-x86

00:00:19

failed #251533
x86_64 ci-build docker-alpine
build-x86_64

00:02:36

 
Name Stage Failure
failed
build-x86_64 Build
(237/238) Purging hdf5 (1.12.0-r0)
(238/238) Purging pugixml (1.10-r1)
Executing busybox-1.32.0-r4.trigger
OK: 326 MiB in 62 packages
### Build summary ###
>>> testing/blender: build failed
Running after_script
Uploading artifacts for failed job
ERROR: Job failed: exit code 1