Fix for installing aws.lambda.tools along side nuget.config with priv…

[dfdahl]

…ate feed.

This change will always allow aws.lambda.tools to be installed in the buildpipeline regardless of the presence of a private feed in the nuget config.

Description

I changed the installation command from
dotnet install aws.lambda.tools
to
dotnet install -g --ignore-failed-sourced --add-source https://api.nuget.org/v3/index.json --version '*'

Motivation

The installation will fail if you have a nuget.config file with a private feed in it. See tickets:
dotnet/sdk#9555

To replicate the issue, try to build any lambda project, with a nuget.config file with a private feed listed.

Related Issue(s), If Filed

dotnet/sdk#9555

Related to tickets where the user is unable to use the pipeline
#354
#350

There is the possibility to add a version number to the aws.lambda.tools installation command, so we can force it on 4.0.0, and avoid it loading a older version from a private feed. But by selecting version '*' we keep the same version selection logic as today, and don't change that part.

Testing

I have replicated the installation process on my own PC, by simply running the dotnet install command along side a nuget.config package.
I don't have access to a private devops setup. So I have not been able to verify the setup live.
Can someone help test this on a devops pipeline before merging?

Checklist

• I have read the README document
• I have read the CONTRIBUTING document
• My code follows the code style of this project
• [-] I have added tests to cover my changes
• A short description of the change has been added to the changelog using the script npm run newChange

License

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov-commenter]

Codecov Report

Merging #355 into master will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #355   +/-   ##
=======================================
  Coverage   52.07%   52.07%           
=======================================
  Files          53       53           
  Lines        2241     2241           
  Branches      373      373           
=======================================
  Hits         1167     1167           
  Misses       1072     1072           
  Partials        2        2           

Impacted Files	Coverage Δ
Tasks/Common/dotNetCliWrapper.ts	65.57% <100.00%> (ø)

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