chore: optimize S3Utils output

[KaimingWan]

Give a more readable output of check message like :

[ OK ] Write s3 object
[ OK ] Read s3 object
[ OK ] Delete s3 object
[ OK ] Write S3 object
[ OK ] Upload s3 multipart object
[ OK ] Read s3 multipart object
[ OK ] Delete s3 object

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (87098f5) 54.98% compared to head (f88e9d1) 55.01%.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #893      +/-   ##
============================================
+ Coverage     54.98%   55.01%   +0.03%     
- Complexity     1243     1246       +3     
============================================
  Files           133      133              
  Lines          8534     8534              
  Branches        789      789              
============================================
+ Hits           4692     4695       +3     
  Misses         3425     3425              
+ Partials        417      414       -3     

Components	Coverage Δ
RocketMQ Broker	∅ <ø> (∅)
RocketMQ Common	5.80% <ø> (ø)
RocketMQ Controller	54.58% <ø> (ø)
RocketMQ Proxy	37.28% <ø> (+0.10%)	⬆️
RocketMQ Store	73.65% <ø> (+0.04%)	⬆️
RocketMQ Stream	∅ <ø> (∅)
RocketMQ Metadata	35.44% <ø> (ø)

see 2 files with indirect coverage changes

[mooc9988]

Why changing err to out?

[KaimingWan]

@mooc9988
Admin tool now disable system.err to suppress the slf4j inner warn log like this:

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/admin/.m2/repository/org/slf4j/slf4j-log4j12/1.6.4/slf4j-log4j12-1.6.4.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/C:/Users/admin/.m2/repository/org/slf4j/slf4j-log4j12/1.6.1/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.

So, if S3Utils use system.err to print error message, admin tool can't see them.