Collect Docker Client/Server versions for local diagnostics

[mattcolegate]

What type of PR is this ?

• [ ] Bug fix
• [X] Enhancement

What does this PR do ?

This PR enables the Docker Client & Server version strings to be written to the codewind.versions file created by running cwctl diagnostics for a local connection. The version strings are obtained using the docker client's getClientVersion() and getServerVersion() methods.

Which issue(s) does this PR fix ?

Part fix for https://github.com/eclipse/codewind/issues/2793

Link to the Codewind repository issue(s) this PR fixes or references:

https://github.com/eclipse/codewind/issues/2793

Does this PR require a documentation change ?

No

Any special notes for your reviewer ?

[codecov[bot]]

Codecov Report

Merging #469 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #469   +/-   ##
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  Coverage   20.94%   20.94%           
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  Files          61       61           
  Lines        5132     5132           
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  Hits         1075     1075           
  Misses       3929     3929           
  Partials      128      128           

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[mattcolegate]

Thanks @stalleyj, recommendations implemented

[stalleyj]

Tested in various scenarios and I always get the version information or the appropriate error message.