testing/xmrig-proxy: upgrade to 5.11.0

Ref https://github.com/xmrig/xmrig-proxy/releases
7 jobs for !9013 with xmrig-proxy in 19 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Lint
failed #138514
docker-alpine x86_64 allowed to fail
lint

00:00:07

 
  Build
failed #138519
docker-alpine ci-build aarch64
build-aarch64

00:00:06

failed #138520
docker-alpine ci-build armv7
build-armv7

00:00:10

failed #138518
docker-alpine ci-build ppc64le
build-ppc64le

00:00:10

failed #138517
docker-alpine ci-build s390x
build-s390x

00:00:09

failed #138516
docker-alpine ci-build x86
build-x86

00:00:08

failed #138515
docker-alpine ci-build x86_64
build-x86_64

00:00:06

 
Name Stage Failure
failed
lint Lint
No job log
failed
build-aarch64 Build
No job log
failed
build-x86_64 Build
No job log
failed
build-x86 Build
No job log
failed
build-s390x Build
No job log
failed
build-armv7 Build
No job log
failed
build-ppc64le Build
No job log