Add logger for gptcache

[shiyu22]

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[codecov]

Codecov Report

Merging #216 (d36ceb7) into dev (112aae9) will increase coverage by 0.09%.
The diff coverage is 66.66%.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #216      +/-   ##
==========================================
+ Coverage   92.55%   92.64%   +0.09%     
==========================================
  Files          47       48       +1     
  Lines        1504     1509       +5     
==========================================
+ Hits         1392     1398       +6     
+ Misses        112      111       -1     

Impacted Files	Coverage Δ
gptcache/__init__.py	95.40% <50.00%> (+0.05%)	⬆️
gptcache/manager/data_manager.py	88.70% <50.00%> (+0.09%)	⬆️
gptcache/manager/object_data/local_storage.py	83.87% <50.00%> (-0.51%)	⬇️
gptcache/manager/object_data/s3_storage.py	84.84% <50.00%> (-0.45%)	⬇️
gptcache/manager/vector_data/milvus.py	86.84% <60.00%> (+1.31%)	⬆️
gptcache/utils/dependency_control.py	100.00% <100.00%> (ø)
gptcache/utils/log.py	100.00% <100.00%> (ø)