testing/gcc-cross-embedded: bump pkgrel

Should fix:
/ # apk add gcc-arm-none-eabi
ERROR: unsatisfiable constraints:
  so:libmpfr.so.4 (missing):
    required by: gcc-arm-none-eabi-8.3.0-r0[so:libmpfr.so.4]
7 jobs for !1346 with fix-gcc-cross-embedded in 60 minutes and 45 seconds (queued for 2 seconds)
latest detached
Status Job ID Name Coverage
  Lint
failed #14408
docker-alpine x86_64 allowed to fail
lint

00:00:41

 
  Build
failed #14413
docker-alpine ci-build aarch64
build-aarch64

01:00:01

failed #14414
docker-alpine ci-build armv7
build-armv7

01:00:01

failed #14412
docker-alpine ci-build ppc64le
build-ppc64le

01:00:00

failed #14411
docker-alpine ci-build s390x
build-s390x

01:00:00

failed #14410
docker-alpine ci-build x86
build-x86

01:00:00

failed #14409
docker-alpine ci-build x86_64
build-x86_64

01:00:01

 
Name Stage Failure
failed
build-x86 Build The script exceeded the maximum execution time set for the job
No job log
failed
build-x86_64 Build The script exceeded the maximum execution time set for the job
No job log
failed
build-ppc64le Build The script exceeded the maximum execution time set for the job
No job log
failed
build-s390x Build The script exceeded the maximum execution time set for the job
No job log
failed
lint Lint
No job log
failed
build-armv7 Build The script exceeded the maximum execution time set for the job
No job log
failed
build-aarch64 Build The script exceeded the maximum execution time set for the job
No job log