fix some issues that come from sanitizer thread report.

1. when the main thread is updating daylight_active, other threads (bio,
module thread) may be writing logs at the same time.
```
WARNING: ThreadSanitizer: data race (pid=661064)
  Read of size 4 at 0x55c9a4d11c70 by thread T2:
    #0 serverLogRaw /home/sundb/data/redis_fork/src/server.c:116 (redis-server+0x8d797) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
    redis#1 _serverLog.constprop.2 /home/sundb/data/redis_fork/src/server.c:146 (redis-server+0x2a3b14) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
    redis#2 bioProcessBackgroundJobs /home/sundb/data/redis_fork/src/bio.c:329 (redis-server+0x1c24ca) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)

  Previous write of size 4 at 0x55c9a4d11c70 by main thread (mutexes: write M0, write M1, write M2, write M3):
    #0 updateCachedTimeWithUs /home/sundb/data/redis_fork/src/server.c:1102 (redis-server+0x925e7) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
    redis#1 updateCachedTimeWithUs /home/sundb/data/redis_fork/src/server.c:1087 (redis-server+0x925e7)
    redis#2 updateCachedTime /home/sundb/data/redis_fork/src/server.c:1118 (redis-server+0x925e7)
    redis#3 afterSleep /home/sundb/data/redis_fork/src/server.c:1811 (redis-server+0x925e7)
    redis#4 aeProcessEvents /home/sundb/data/redis_fork/src/ae.c:389 (redis-server+0x85ae0) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
    redis#5 aeProcessEvents /home/sundb/data/redis_fork/src/ae.c:342 (redis-server+0x85ae0)
    redis#6 aeMain /home/sundb/data/redis_fork/src/ae.c:477 (redis-server+0x85ae0)
    redis#7 main /home/sundb/data/redis_fork/src/server.c:7211 (redis-server+0x7168c) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
```

2. thread leaks in module tests
```
WARNING: ThreadSanitizer: thread leak (pid=668683)
  Thread T13 (tid=670041, finished) created by main thread at:
    #0 pthread_create ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:1036 (libtsan.so.2+0x3d179) (BuildId: 28a9f70061dbb2dfa2cef661d3b23aff4ea13536)
    redis#1 HelloBlockNoTracking_RedisCommand /home/sundb/data/redis_fork/tests/modules/blockonbackground.c:200 (blockonbackground.so+0x97fd) (BuildId: 9cd187906c57e88cdf896d121d1d96448b37a136)
    redis#2 HelloBlockNoTracking_RedisCommand /home/sundb/data/redis_fork/tests/modules/blockonbackground.c:169 (blockonbackground.so+0x97fd)
    redis#3 call /home/sundb/data/redis_fork/src/server.c:3546 (redis-server+0x9b7fb) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
    redis#4 processCommand /home/sundb/data/redis_fork/src/server.c:4176 (redis-server+0xa091c) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
    redis#5 processCommandAndResetClient /home/sundb/data/redis_fork/src/networking.c:2468 (redis-server+0xd2b8e) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
    redis#6 processInputBuffer /home/sundb/data/redis_fork/src/networking.c:2576 (redis-server+0xd2b8e)
    redis#7 readQueryFromClient /home/sundb/data/redis_fork/src/networking.c:2722 (redis-server+0xd358f) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
    redis#8 callHandler /home/sundb/data/redis_fork/src/connhelpers.h:58 (redis-server+0x288a7b) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
    redis#9 connSocketEventHandler /home/sundb/data/redis_fork/src/socket.c:277 (redis-server+0x288a7b)
    redis#10 aeProcessEvents /home/sundb/data/redis_fork/src/ae.c:417 (redis-server+0x85b45) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
    redis#11 aeProcessEvents /home/sundb/data/redis_fork/src/ae.c:342 (redis-server+0x85b45)
    redis#12 aeMain /home/sundb/data/redis_fork/src/ae.c:477 (redis-server+0x85b45)
    redis#13 main /home/sundb/data/redis_fork/src/server.c:7211 (redis-server+0x7168c) (BuildId: dca0b1945ba30010e36129bdb296e488dd2b32d0)
```