Refactored notify_master

[otani88]

No description provided.

[codecov-io]

Codecov Report

Merging #63 into develop will decrease coverage by 6.2%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           develop     #63      +/-   ##
==========================================
- Coverage     49.6%   43.4%   -6.21%     
==========================================
  Files           18      19       +1     
  Lines         1020    1076      +56     
==========================================
- Hits           506     467      -39     
- Misses         514     609      +95

Impacted Files	Coverage Δ
proxysql_tools/cli.py	0% <0%> (ø)	⬆️
proxysql_tools/aws/notify_master.py	0% <0%> (ø)
proxysql_tools/aws/aws.py	0% <0%> (-45.35%)	⬇️

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