Use new api gateway property names in aws-nodejs-typescript template

[fredericbarthelet]

Implement new http.request.schemas instead of http.request.schema as per https://github.com/serverless/serverless/blob/master/docs/deprecations.md#aws-api-gateway-schemas for aws-nodejs-typescript template

[codecov]

Codecov Report

Merging #10214 (5892d85) into master (55146c4) will not change coverage.
The diff coverage is n/a.

❗ Current head 5892d85 differs from pull request most recent head 0e7e23c. Consider uploading reports for the commit 0e7e23c to get more accurate results

@@           Coverage Diff           @@
##           master   #10214   +/-   ##
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  Coverage   85.38%   85.38%           
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  Files         339      339           
  Lines       13836    13836           
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  Hits        11814    11814           
  Misses       2022     2022           

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[medikoo]

Great call @fredericbarthelet !