community/libphonenumber: disable building static library

It breaks just too many times
7 jobs for !6043 with community_libphonenumber in 1 minute and 49 seconds
detached
Status Job ID Name Coverage
  Lint
passed #79446
x86_64 docker-alpine
lint

00:00:49

 
  Build
failed #79451
aarch64 ci-build docker-alpine
build-aarch64

failed #79452
armv7 ci-build docker-alpine
build-armv7

00:00:56

failed #79450
ppc64le ci-build docker-alpine
build-ppc64le

00:00:57

failed #79449
s390x ci-build docker-alpine
build-s390x

00:00:27

failed #79448
x86 ci-build docker-alpine
build-x86

00:00:32

failed #79447
x86_64 ci-build docker-alpine
build-x86_64

00:00:31

 
Name Stage Failure
failed
build-aarch64 Build There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log
failed
build-ppc64le Build
No job log
failed
build-armv7 Build
No job log
failed
build-x86 Build
No job log
failed
build-x86_64 Build
No job log
failed
build-s390x Build
No job log