ci: remove Node 10-12 & added Node 16-18

[TylerBreau]

Platforms affected

iOS

Motivation and Context

Node 10 and 12 is already EOL.

Description

Updated ci.yml.
Removed node 10.x and 12.x.
Added node 16.x and 18.x.
Supported versions are 14.x, 16.x, and 18.x.

Testing

Checklist

• I've run the tests to see all new and existing tests pass
• I added automated test coverage as appropriate for this change
• Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• I've updated the documentation if necessary

[codecov-commenter]

Codecov Report

Merging #1271 (268fb44) into master (f804a42) will increase coverage by 78.26%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master    #1271       +/-   ##
===========================================
+ Coverage        0   78.26%   +78.26%     
===========================================
  Files           0       15       +15     
  Lines           0     1767     +1767     
===========================================
+ Hits            0     1383     +1383     
- Misses          0      384      +384     

Impacted Files	Coverage Δ
lib/build.js	63.69% <0.00%> (ø)
lib/prepare.js	85.00% <0.00%> (ø)
lib/listEmulatorImages.js	100.00% <0.00%> (ø)
lib/versions.js	89.36% <0.00%> (ø)
lib/Api.js	71.76% <0.00%> (ø)
lib/plugman/pluginHandlers.js	90.05% <0.00%> (ø)
lib/PodsJson.js	95.04% <0.00%> (ø)
lib/create.js	95.83% <0.00%> (ø)
lib/check_reqs.js	47.05% <0.00%> (ø)
lib/BridgingHeader.js	95.45% <0.00%> (ø)
... and 5 more

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