feat(nextjs-component, aws-lambda): support adding tags to lambdas

[dphang]

Will add the other resource tagging in separate PR

[codecov]

Codecov Report

Merging #1300 (656122e) into master (e824146) will increase coverage by 0.04%.
The diff coverage is 100.00%.

❗ Current head 656122e differs from pull request most recent head 9976f4b. Consider uploading reports for the commit 9976f4b to get more accurate results

@@            Coverage Diff             @@
##           master    #1300      +/-   ##
==========================================
+ Coverage   83.90%   83.94%   +0.04%     
==========================================
  Files          97       97              
  Lines        3317     3327      +10     
  Branches      968      973       +5     
==========================================
+ Hits         2783     2793      +10     
  Misses        469      469              
  Partials       65       65              

Impacted Files	Coverage Δ
...ges/serverless-components/aws-lambda/serverless.js	73.91% <100.00%> (+0.38%)	⬆️
packages/serverless-components/aws-lambda/utils.js	75.47% <100.00%> (+2.27%)	⬆️
...rless-components/nextjs-component/src/component.ts	90.27% <100.00%> (ø)

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