implemented diagnostic logger

[marandaneto]

📢 Type of change

• Bugfix
• New feature
• Enhancement
• Refactoring

📜 Description

implement diagnostic logger with custom level.

💡 Motivation and Context

right now it's not respecting custom level nor if debug is enabled or not.

💚 How did you test it?

running current tests and debugging it.

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• All tests passing

🔮 Next steps

[marandaneto]

I need to check this

[codecov-io]

Codecov Report

Merging #218 into master will increase coverage by 0.17%.
The diff coverage is 49.59%.

@@             Coverage Diff              @@
##             master     #218      +/-   ##
============================================
+ Coverage     58.91%   59.08%   +0.17%     
+ Complexity      572      569       -3     
============================================
  Files            73       72       -1     
  Lines          2648     2652       +4     
  Branches        235      235              
============================================
+ Hits           1560     1567       +7     
  Misses          970      970              
+ Partials        118      115       -3

Impacted Files	Coverage Δ	Complexity Δ
...c/main/java/io/sentry/core/MainEventProcessor.java	74.28% <100%> (+0.75%)	8 <0> (ø)	⬇️
...src/main/java/io/sentry/core/DiagnosticLogger.java	72.22% <100%> (ø)	11 <1> (ø)	⬇️
.../src/main/java/io/sentry/core/cache/DiskCache.java	51.42% <23.33%> (-2.31%)	12 <0> (ø)
...re/src/main/java/io/sentry/core/SentryOptions.java	78.22% <25%> (-1.62%)	55 <4> (ø)
...java/io/sentry/core/transport/AsyncConnection.java	58.33% <29.41%> (-1.91%)	5 <0> (ø)
...n/java/io/sentry/core/transport/HttpTransport.java	58.02% <30.76%> (-0.95%)	6 <0> (ø)
.../src/main/java/io/sentry/core/SendCachedEvent.java	60.34% <40%> (-0.68%)	6 <0> (ø)
sentry-core/src/main/java/io/sentry/core/Hub.java	70.44% <54.45%> (+3.08%)	55 <0> (ø)	⬇️
.../core/SendCachedEventFireAndForgetIntegration.java	78.57% <63.63%> (+0.79%)	4 <0> (ø)	⬇️
...e/src/main/java/io/sentry/core/EnvelopeSender.java	61.72% <66.66%> (ø)	7 <0> (ø)	⬇️
... and 3 more

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[bruno-garcia]

Awesome.