Migrate array.prototype.flatmap to builtins

[alexparish]

Run npx github:Fuzzyma/e18e-tools array.prototype.flatmap -n 100 -U https://npm.devminer.xyz/registry -q -o md to find the first 100.

Top 30:

#	Downloads	Traffic	Version	Package
1	97.75M	672.61 GB	^1.3.2	eslint-plugin-import
2	86.83M	597.50 GB	^1.3.2	eslint-plugin-react
3	62.56M	430.47 GB	^1.3.2	eslint-plugin-jsx-a11y
4	5.47M	37.62 GB	^1.2.1	airbnb-js-shims
5	332.98k	2.29 GB	^1.2.1	stylelint-no-unused-selectors
6	310.04k	2.13 GB	^1.3.1	istanbul-merge
7	139.85k	962.33 MB	^1.2.5	react-spreadsheet
8	127.45k	876.97 MB	^1.3.2	jsx-a11y-unstable
9	117.46k	808.24 MB	^1.2.4	@openzeppelin/wizard
10	93.16k	641.03 MB	^1.2.2	@auto-it/conventional-commits
11	45.86k	315.57 MB	^1.2.3	eslint-gitignore
12	39.77k	273.63 MB	^1.3.2	@forge/lint
13	39.47k	271.56 MB	^1.3.2	@forge/cli-shared
14	36.27k	249.60 MB	^1.2.2	@auto-it/first-time-contributor
15	11.52k	79.28 MB	^1.3.0	@jungvonmatt/contentful-migrations
16	4.97k	34.21 MB	^1.2.2	@auto-canary/first-time-contributor
17	4.79k	32.97 MB	^1.3.0	@bluelovers/extend-bases
18	3.87k	26.65 MB	^1.3.2	@exodus/eslint-plugin-import
19	2.83k	19.45 MB	^1.2.3	@codesee/babel-plugin-instrument
20	2.47k	16.99 MB	~1.2.3	@webdoc/cli
21	2.06k	14.21 MB	^1.2.4	zarro
22	1.78k	12.26 MB	^1.2.5	react-spreadsheet-highlight
23	1.77k	12.21 MB	^1.2.5	azure-pipelines-logging
24	1.61k	11.10 MB	^1.3.2	@tlgeo/react-native-gdal
25	1.53k	10.51 MB	^1.3.1	@chatie/eslint-config
26	1.26k	8.70 MB	^1.3.2	@lunalabs/eslint-plugin-react
27	1.26k	8.68 MB	^1.3.0	@xanadu_ai/eslint-config-react
28	1.25k	8.62 MB	^1.2.1	gatsby-remark-figure-caption
29	1.12k	7.69 MB	^1.3.1	@phryneas/eslint-plugin-import
30	1.07k	7.34 MB	^1.2.4	@kommunicate/kommunicate-chatbot-plugin