(GH-188) Configure default labels

[akordowski]

This PR addresses #188.

[codecov-commenter]

Codecov Report

Merging #258 into develop will increase coverage by 5.33%.
The diff coverage is 78.40%.

@@             Coverage Diff             @@
##           develop     #258      +/-   ##
===========================================
+ Coverage    40.02%   45.36%   +5.33%     
===========================================
  Files           26       27       +1     
  Lines          732      798      +66     
  Branches       133      135       +2     
===========================================
+ Hits           293      362      +69     
+ Misses         421      418       -3     
  Partials        18       18              

Impacted Files	Coverage Δ
Source/GitReleaseManager/GitHubProvider.cs	0.00% <0.00%> (ø)
Source/GitReleaseManager/Configuration/Config.cs	100.00% <100.00%> (ø)
...rce/GitReleaseManager/Configuration/LabelConfig.cs	100.00% <100.00%> (ø)

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[gep13]

@akordowski I have taken the liberty to rebase this PR against the latest head of the develop branch, and to remove some of the commits that you added.

There were already dependabot PR's open for bumping to the latest version of dependencies, so I have now merged those in, and the changes that you made are no longer requried.

In addition, as discussed on Gitter, I have updated your commit messages to use the suggested nomenclature, i.e. to include the GitHub issue number within the commit message.

We will now be able to review this PR, looking only at what has changed to implement the change associated with #188.

Let me know if you have any questions about the changes that I have made.

[akordowski]

Looks good! I will keep in mind to use the issue number in the commit messages. Thanks!

[gep13]

LGTM!

[gep13]

@akordowski your changes have been merged, thanks for your contribution 👍