misc node:process fixes

[nektro]

• fixes a bug where padding multiple "ipc" options to node:child_process.spawn stdio option did not throw an error
• add definition and implementation for process.availableMemory()
• fixes a bug where passing process.chdir a non-string non-undefined argument would not throw an error
• add definition and implementation for process.constrainedMemory()
• fixes error handling of process.cpuUsage()
• fixes error handling of process.hrtime()
• fixes a bug where process.exit() was not calling process.reallyExit()
• fixes fields of process.release; removes .lts, fills out proper content of .headersUrl, removes bad field .libUrl
• add definition and implementation for process.setegid(), .seteuid(), .setgid(), .setuid(), .setgroups()

[robobun]

❌ @nektro, your commit 5ea9de6 has 6 failures in #5000:

test/js/third_party/@azure/service-bus/azure-service-bus.test.ts - 1 failing on 🍎 14 x64

test/js/bun/shell/leak.test.ts - 1 failing on 🐧 22.04 x64-baseline

test/js/bun/spawn/spawn.test.ts - timeout on 🪟 x64-baseline

test/cli/hot/hot.test.ts - timeout on 🪟 x64-baseline

test/js/node/zlib/bytesWritten.test.ts - 1 failing on 🍎 13 aarch64

test/cli/inspect/inspect.test.ts - 1 failing on 🪟 x64