fix: Replaced useless .ContinueWith in Api by direct call (#108)

[rolincova]

Closes #108

Replaced useless .ContinueWith in Api by direct call

• CHANGELOG.md updated
• Rebased/mergeable
• Tests pass
• Sign CLA (if not already signed)

[codecov-commenter]

Codecov Report

Merging #110 into master will increase coverage by 0.01%.
The diff coverage is 3.12%.

@@            Coverage Diff             @@
##           master     #110      +/-   ##
==========================================
+ Coverage   15.64%   15.65%   +0.01%     
==========================================
  Files          50       50              
  Lines        5000     4996       -4     
  Branches      253      253              
==========================================
  Hits          782      782              
+ Misses       4197     4193       -4     
  Partials       21       21              

Impacted Files	Coverage Δ
Client/AuthorizationsApi.cs	0.00% <0.00%> (ø)
Client/BucketsApi.cs	0.53% <0.00%> (+<0.01%)	⬆️
Client/ChecksApi.cs	0.00% <0.00%> (ø)
Client/InfluxDBClient.cs	0.00% <0.00%> (ø)
Client/LabelsApi.cs	0.00% <0.00%> (ø)
Client/NotificationEndpointsApi.cs	0.00% <0.00%> (ø)
Client/NotificationRulesApi.cs	0.00% <0.00%> (ø)
Client/OrganizationsApi.cs	0.00% <0.00%> (ø)
Client/ScraperTargetsApi.cs	0.00% <0.00%> (ø)
Client/SourcesApi.cs	0.00% <0.00%> (ø)
... and 4 more

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[bednar]

There are another useless .ContinueWith calls. Check this patch:

useles-continue-with.txt

[bednar]

LGTM