Fix a prototype inconsitency of `_serverAssert` between redisassert.h and redis.h (#10872)
Fix a prototype inconsitency of `_serverAssert` between redisassert.h and redis.h (#10872)

both redisassert.c and server.h + debug.c use const, but redisassert.h doesn't.
soloestoy/redis,yossigo/redis,yossigo/redis,soloestoy/redis,yossigo/redis,charsyam/redis,charsyam/redis,soloestoy/redis,charsyam/redis,charsyam/redis,charsyam/redis,soloestoy/redis,yossigo/redis,yossigo/redis,soloestoy/redis