Release for v0.4b.x

[lzchen]

• Added live metrics
  (#96)
• Remove dependency metrics from auto-collection
  (#99)
• Change default local storage directory
  (#100)
• Implement proxies in exporter configuration
  (#101)
• Remove request failed per second metrics from auto-collection
  (#102)

[codecov-commenter]

Codecov Report

Merging #104 into v0.4b.x will increase coverage by 0.74%.
The diff coverage is 90.66%.

@@             Coverage Diff             @@
##           v0.4b.x     #104      +/-   ##
===========================================
+ Coverage    91.98%   92.73%   +0.74%     
===========================================
  Files           18       21       +3     
  Lines         1048     1142      +94     
  Branches       142      141       -1     
===========================================
+ Hits           964     1059      +95     
+ Misses          74       55      -19     
- Partials        10       28      +18     

Impacted Files	Coverage Δ
...ure_monitor/sdk/auto_collection/request_metrics.py	75.80% <63.15%> (-24.20%)	⬇️
...nitor/sdk/auto_collection/live_metrics/exporter.py	64.51% <78.26%> (+19.25%)	⬆️
...itor/sdk/auto_collection/metrics_span_processor.py	82.50% <82.50%> (ø)
...monitor/src/azure_monitor/export/trace/__init__.py	97.80% <96.61%> (-2.20%)	⬇️
azure_monitor/src/azure_monitor/export/__init__.py	100.00% <100.00%> (ø)
...nitor/src/azure_monitor/export/metrics/__init__.py	100.00% <100.00%> (ø)
azure_monitor/src/azure_monitor/options.py	100.00% <100.00%> (ø)
azure_monitor/src/azure_monitor/protocol.py	94.82% <100.00%> (+3.76%)	⬆️
.../src/azure_monitor/sdk/auto_collection/__init__.py	100.00% <100.00%> (ø)
..._monitor/sdk/auto_collection/dependency_metrics.py	100.00% <100.00%> (ø)
... and 13 more

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