crimson/tools/CMakeLists: store-bench to use lsan_suppressions

crimson/tools/CMakeLists: store-bench to use lsan_suppressions

```
=================================================================
==598386==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 8 byte(s) in 1 object(s) allocated from:
    #0 0x7fc37fefd578 in operator new(unsigned long) (/lib64/libasan.so.8+0xfd578) (BuildId: 8843146064a37d00e17ca27fd774b31ebc6d40e2)
    #1 0x7fc37fa2fb71 in MallocExtension::Register(MallocExtension*) (/lib64/libtcmalloc.so.4+0x2fb71) (BuildId: 5fec9a5a81e329ba0c333f14020599650d07af6f)

SUMMARY: AddressSanitizer: 8 byte(s) leaked in 1 allocation(s).
```

Signed-off-by: Matan Breizman <mbreizma@redhat.com>