Update node to 16

[mmorel-35]

Signed-off-by: Matthieu MOREL [email protected]

Which problem is this PR solving?

• Resolves https://github.com/jaegertracing/jaeger-ui/pull/997/files#r990690350

Short description of the changes

• Update node to 16

[codecov]

Codecov Report

Base: 97.14% // Head: 97.13% // Decreases project coverage by -0.00% ⚠️

Coverage data is based on head (6c1cf6e) compared to base (878992a).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3957      +/-   ##
==========================================
- Coverage   97.14%   97.13%   -0.01%     
==========================================
  Files         295      295              
  Lines       17389    17389              
==========================================
- Hits        16892    16891       -1     
  Misses        400      400              
- Partials       97       98       +1     

Impacted Files	Coverage Δ
cmd/query/app/static_handler.go	96.38% <0.00%> (-1.81%)	⬇️
pkg/config/tlscfg/cert_watcher.go	94.68% <0.00%> (+2.12%)	⬆️

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