Improve robustness

[JeremyTCD]

• HttpNodeJSService now logs the endpoint it connects to Node.js on. This'll help with troubleshooting socket permission issues.
• Added OutOfProcessNodeJSServiceOptions.NumProcessRetries. You can now retry invocations in new processes. Details:
  

  Javascript.NodeJS/src/NodeJS/NodeJSServiceImplementations/OutOfProcess/OutOfProcessNodeJSServiceOptions.cs

  Lines 27 to 39 in e488984

  	/// <summary>
  	/// <para>The number of times we create a new NodeJS process to retry an invocation.</para>
  	/// <para>Invocations are retried <see cref="NumRetries"/> times in the existing NodeJS process. Once <b>existing process retries</b> are exhausted,
  	/// if any <b>process retries</b> remain, a new NodeJS process is created and invocations are retried <see cref="NumRetries"/> times in the new process.</para>
  	/// <para>For example, consider the situation where <see cref="NumRetries"/> and this value are both 1. An invocation is first tried in the existing process.
  	/// If it fails it is retried in the same process. If it fails again, a new process is created and the invocation is retried there once. In total, the
  	/// invocation is attempted 3 times.</para>
  	/// <para>If set to a negative value, new NodeJS processes are recreated for retries indefinitely.</para>
  	/// <para>If the module source of an invocation is an unseekable stream, the invocation is not retried.
  	/// If you require retries for such streams, copy their contents to a <see cref="MemoryStream"/>.</para>
  	/// <para>Defaults to 1.</para>
  	/// </summary>
  	public int NumProcessRetries { get; set; } = 1;

[codecov]

Codecov Report

Merging #101 (ba97830) into master (3d17497) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #101      +/-   ##
==========================================
+ Coverage   97.05%   97.08%   +0.02%     
==========================================
  Files          24       24              
  Lines         815      822       +7     
==========================================
+ Hits          791      798       +7     
  Misses         24       24              

Impacted Files	Coverage Δ
src/NodeJS/NodeJSServiceCollectionExtensions.cs	100.00% <100.00%> (ø)
...ementations/OutOfProcess/Http/HttpClientService.cs	100.00% <100.00%> (ø)
...ementations/OutOfProcess/Http/HttpNodeJSService.cs	97.26% <100.00%> (-0.31%)	⬇️
...ementations/OutOfProcess/Http/InvocationContent.cs	100.00% <100.00%> (ø)
...ntations/OutOfProcess/OutOfProcessNodeJSService.cs	99.18% <100.00%> (+0.04%)	⬆️
...s/OutOfProcess/OutOfProcessNodeJSServiceOptions.cs	100.00% <100.00%> (ø)
src/NodeJS/StaticNodeJSService.cs	100.00% <100.00%> (ø)
src/NodeJS/Strings.Designer.cs	78.78% <100.00%> (+1.36%)	⬆️
src/NodeJS/Utils/JsonService.cs	100.00% <100.00%> (ø)

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