chore: replace node-fetch with native fetch

[DmitryAnansky]

What/Why/How?

Checking another approach to get rid off punycode message.

Reference

Testing

Screenshots (optional)

Check yourself

• Code changed? - Tested with redoc/reference-docs/workflows (internal)
• All new/updated code is covered with tests
• New package installed? - Tested in different environments (browser/node)

Security

• Security impact of change has been considered
• Code follows company security practices and guidelines

[changeset-bot]

⚠️ No Changeset found

Latest commit: a5320b0

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[github-actions]

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
redocly lint packages/core/src/benchmark/benches/rebilly.yaml	979.5 ± 15.0	964.0	1006.7	1.00 ± 0.02
redocly-next lint packages/core/src/benchmark/benches/rebilly.yaml	976.0 ± 18.8	944.4	1005.9	1.00

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	78.55%	4991/6354
🟡	Branches	67.17%	2066/3076
🟡	Functions	72.98%	824/1129
🟡	Lines	78.84%	4709/5973

Show new covered files 🐣

St.❔	File	Statements	Branches	Functions	Lines
🟢	core/src/env.d.ts	100%	100%	100%	100%

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🔴	... / registry-api.ts	50% (-1.35% 🔻)	33.33%	50%	48.57% (-1.43% 🔻)
🟢	... / fetch-with-timeout.ts	92.31%	62.5% (-37.5% 🔻)	50%	92.31%
🟡	... / push.ts	73.37%	70%	54.55%	75.78%

Test suite run success

809 tests passing in 121 suites.

Report generated by 🧪jest coverage report action from a5320b0