allocation fail fuzzer: use a static library and objcopy

oss-fuzz can not handle shared libraries. Do not build it by default.
12 jobs from master in 4 minutes and 57 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #242623
amd64 debian
build-debian

00:00:34

passed #242627
debian aarch64
build-debian-aarch64

00:01:26

passed #242628
debian aarch64
build-debian-aarch64-clang-5

00:01:03

passed #242624
amd64 debian
build-debian-static

00:00:34

passed #242630
debian aarch64
build-debian-werror

00:00:33

passed #242629
macos
build-macos

00:00:27

passed #242625
win32
build-win32

00:00:28

passed #242626
win64
build-win64

00:00:36

 
  Test
passed #242631
amd64 debian
test-debian

00:00:42

passed #242632
amd64 debian
test-debian-asan

00:02:12

passed #242633
amd64 debian
test-debian-msan

00:00:57

passed #242634
amd64 debian
test-debian-ubsan

00:01:18