Node.js 16.1.0

What's new in this version:

- Async_hooks,doc: replace process.stdout.fd with 1
- Benchmark: avoid using console.log()
- Benchmark: use process.hrtime.bigint()
- Bootstrap: freeze more intrinsics
- Build: fix label-pr workflow
- Build: label PRs with GitHub Action instead of nodejs-github-bot

Crypto:
- don't crash with some selfsigned certs
- fix generateKeyPair type checks
- fix scrypt keylen validation
- fix DiffieHellman generator validation

Debugger:
- enable linter on internal/inspector/inspect_client
- refactor internal/inspector/_inspect to use more primordials
- apply automatic lint fixes for inspect_repl.js
- apply automatic lint fixes for _inspect.js
- remove unused function argument
- align message with Node.js standard
- add usage example for --port
- fix race condition/deadlock on initialization
- replace internal use of deprecated API
- allow longer time to connect
- accommodate line chunking in Windows
- fix inspect restart on Windows
- remove unused code
- move node-inspect to internal library

Deps:
- V8: cherry-pick fd75c97d3f56
- upgrade npm to 7.11.2
- update to [email protected]
- patch V8 to 9.0.257.24
- patch V8 to 9.0.257.21
- update llhttp to 6.0.1
- patch V8 to 9.0.257.19

- Revert "doc: os.uptime() temporary bug notice"
- Fix outdated util inspect documentation and layout example

Doc:
- mark Node.js 10 as End-of-Life
- mark querystring api as legacy
- update node-api support matrix
- add arguments for stream event of Http2Server and Http2SecureServer
- indicate that abort tests do not generate core files
- add try/catch in http2 respondWithFile example
- note the system requirements for V8 tests
- minor clarification to pathObject
- clarify that fs.Dir async iterator closes automatically
- document new TCP_KEEPCNT and TCP_KEEPINTVL socket option defaults
- do not mention TCP in the allowHalfOpen option description
- update message to match actual output
- request default snap track be updated for LTS
- mark process.hrtime() as legacy
- fix typo in worker_threads.md
- fix version history for "exports" patterns
- fix package.json "imports" field history
- fix typo in buffer.md
- fix YAML comment opening tags
- add nodejs-sec email template
- document 'secureConnect' event limitation